A scuba diving computer can be a divers best friend. It will allow you to stay down longer than if you were diving off of tables. There are many types and/or styles of dive computers you can choose from. Which one is best is really personal preference and is suited to the way you dive. The following are some of the choices you will have when purchasing your dive computer.

Console Dive Computer

A console dive computer is attached to the rest of the equipment via a hose. The console dive computers typically come with a pressure gauge. The readouts are typically larger than on a wrist dive computer so they can also be easier on the eyes.

There are also options for a scuba dive computer to be mounted on your hose (this is the type we currently use) or clip onto your BC. Choose whichever is more comfortable for you and fits into your price range.

Wrist Dive Computer

The wrist dive computer is very popular. These types of computers look like large watches and are worn on the wrist. They will tell you all you need to know at a glance. Some wrist dive computers are also able to be mounted in a console.

Sometimes the faces may be a bit small for all the information the computer can display, so make sure you will be able to read it underwater.

Unless they are air integrated and wireless (see below) wrist dive computers usually do not come with a pressure gauge. One small disadvantage here is that these can be pretty easy to misplace/lose.

Air Integrated Dive Computer

Air integrated dive computers are becoming more commonplace. An air integrated computer measures the tank pressure and then calculates how much more time you have left at the current rate of air consumpetion. The air integrated dive computer will tell you how much time you can spend at any exertion level.

An air integrated computer replaces the need for a submersible pressure gauge (SPG). One downside of an air integrated computer is that if it fails, you lose information on how much air you have left in your tank. Dive over.

Nitrox Dive Computer

With nitrox diving becoming more and more common, so are computers that are nitrox compatible. Even if you aren't diving with nitrox now, if you are even thinking of diving with nitrox in the future, it is probably worth it to purchase a nitrox dive computer. This will save you the expense of buying a whole new computer in the future. However, if don't think you will ever dive with nitrox, then there is no reason to pay for this feature. A standard air computer is probably $100+ less than its nitrox counterpart.

Hoseless Dive Computer

The hoseless dive computer consists of the receiver (typically worn on the wrist or mounted on the BC) and a transmitor. The transmitor attaches to the high pressure port of the regulator first stage and then sends your air information, wirelessly, to the receiver. The receiver looks the same as normal dive computers.

This setup cuts down on the number of hoses you need. There are now even hoseless dive computers that can accept signal from multiple transmitors - so you can even keep an eye on your buddies air consumption. Of course, this capability is really for the more advanced technical divers who may use different tanks on one dive. And, of course, we are talking some pretty high price tags here.

So just think about how you dive and what capabilities you need. The right dive computer for one person can be completely wrong for another person. Choose one that you are comfortable with and one that is right for you wallet.

Dianne Rein runs a scuba diving website at http://www.scuba-diving-smiles.com. You can read her complete guide to scuba diving computers as well as other scuba gear on her website.

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Featured Dive Computer Watch:

Aeris XR1 Air Dive Computer, Scuba Wrist Dive Watch

41g8AKb7iRL. SL160  Dive Computer Watch ReviewsAn air only Dive Computer that's easy to read and easy to use. A comfortable mix of graphics and icons make this computer extremely user friendly. Oversized digits and a split-screen display makes using the computer even easier.

  • Air operating modes | Water and manual activation
  • Variable ascent rate indicator | User-replaceable battery with "Hot Swap"
  • Customize the information presented during a dive with a press of a button
  • Color-coded bar graphs | Safety stop count-down timer | 12 Dive Log Book

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Price: $ 179.00

AERIS Epic Hoseless Dive Computer Watch (Complete System) with PC Cable

51VcMfvyPTL. SL160  Dive Computer Watch ReviewsHoseless Air Integrated Dive Computer Technology. The Epic is so small and stylish you can wear it on your wrist to dinner as well as your next dive trip. Enjoy the freedom of eliminating a hose from your system, while enjoying the freedom of movement underwater with complete dive data at a glance.

  • Hoseless air integrated technology
  • The Epic may be programmed to read from three independent transmitters, allowing the user to monitor tank pressure from mulitple cylinders - even other divers!
  • Nitrox programmable with up to 3 Nitrox mixes up to 100% O2
  • Buddy Pressure CheckTM - button press underwater scans for pre-programmed transmitters
  • Advanced watch functions including alternate time zone, stopwatch, lap timer, daily alarm, and countdown timer

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Suunto Vector Wrist-Top Computer Watch with Altimeter, Barometer, Compass, and Thermometer (xBlack)

51QD53H9VZL. SL160  Dive Computer Watch ReviewsVector was the 1st multi functioning wristop computer from Suunto. Functions include but are not limited to Time, Altimeter, barometer, compassThe Suunto Vector X Wristop Computer is the answer to the challenges faced by outdoor enthusiasts all around the world. To play safely in the wilderness, it's vital to know your playground, and the Suunto Vector X can help you to do just that. A truly amazing instrument, the Suunto Vector X is designed to give you the most accurate, real-time information about your surroundings that you can get anywhere. Regardless of whether you are climbing mountains, riding a muddy bike track, or skiing off piste, the Suunto Vector X will never let you down. It combines an altimeter, barometer, and an electronic compass with all the features of a sophisticated sports watch. The clear logic of the user interface makes Suunto Vector X a real help on the mountain. Its ergonomic design with a large display, electro-luminescent backlight, convenient control buttons, and user-replaceable battery makes it easy to use even in the harshest and toughest conditions. For backcountry and skiing enthusiasts, the Suunto Vector X is loaded with features that will help to keep you safe in the most demanding of situations. The watch's altimeter has a range up to 9,000 meters (29,500 feet), with a one-meter resolution. It also features an altitude difference measurement function for following vertical progress between stages. It has an automatic 24-hour memory that stores the altitude and ascent/descent rate for every hour and an adjustable altitude alarm and several memory functions. With the logbook function, for instance, you can record total and cumulative vertical ascents and descents, as well as the number of runs skied. The barometric functions provide you with valuable information for forecasting weather changes. Information on the present sea level pressure helps you read and understand the barometric pressure at high altitudes. The Vector's compass shows the cardinal or half-cardinal point abbreviated and indicates north with an arrow. It can be set to track a certain bearing, and graphically show the difference between it and the actual bearing. This is a valuable tool when trying to get back on track after minor or major detours in the terrain. The declination adjustment function allows the user to correct the difference between true north and magnetic north. These features all combine to provide you with vital information that will help you make safe and responsible decisions during your excursions. The Suunto Vector X automatically records barometric data for the past four days: the first six hours in one-hour intervals and after that in six-hour intervals. When the reference altitude is set correctly, the instrument also shows the present sea level pressure, which makes it easier to read and understand the barometric pressure at high altitudes. In addition to its invaluable outdoor-related functions, the Suunto Vector X also displays normal time. It has three daily alarms, a calendar programmed to the year 2089, and a stopwatch with split time measurement and a countdown timer. The time can be shown in 12 or 24-hour format. In short, the Suunto Vector is an outdoor enthusiast's dream -- a beautifully engineered watch that's versatile enough for the world's highest peaks as well as everyday use.

  • Features an altimeter with a range up to 9,000 meters (29,500 feet), with a one-meter resolution.
  • 24-hour memory stores the altitude and ascent/descent rate for every hour
  • Automatically records barometric data for the past four days in one- and six-hour intervals
  • Calendar clock is pre-programmed to the year 2089 with three daily alarms, a dual time display, and a stopwatch with lap and split time functions
  • Features ergonomic design with a large display, electro-luminescent backlight, convenient control buttons, and user-replaceable battery

Rating: 3 5 Dive Computer Watch Reviews (out of 66 reviews)

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List Price: $ 219.00
Price: Too low to display

Suunto Vector Wrist-Top Computer Watch with Altimeter, Barometer, Compass, and Thermometer (xBlack) Reviews

Review by Kevin Woodward: 4 Dive Computer Watch Reviews

51QD53H9VZL. SL75  Dive Computer Watch ReviewsI've owned the Suunto Vector for more than three years after purchasing it when I first became interested in adventure racing. While many top racers wear it, I would highly recommend it for the serious hiker, climber or backcountry skier for it's solid construction, design and versatility.

While I also wear this as my everyday watch, it's extra large size should be taken into consideration if that's something you have in mind.

There are a couple other brands available in this market segment, but the relatively low price and exceptional feature set are what continues to set this tool apart from the crowd.

Here's what you should know:

* Expect to replace the battery at least once a year. This is due to a number of reasons, one of which is the powerful backlight on the face that when activated can nearly illuminate the inside of a small tent at night. If you believe the manufacturer's warnings and want to play it safe, you may want to have this procedure performed by a professional (watch, not outdoor) shop. Suunto sells a battery pack that comes with a replacement seal and screw-in back, and this is definitely something to consider every other replacement opportunity, but you can get by with a lower-cost Duracell type 2430 3V lithium if you're on a budget.

* The altimeter is one of the strongest features, allowing you to quickly pinpoint your location on a topo map. However, plan to reset it regularly, especially after a plane ride or frequent and significant changes in altitude, or weather. This is rather easy as along as you have a confirmed location metric, but you have to remember to do it regularly to ensure the greatest accuracy. The 24-hour memory provides a total measurement of your ups and downs (ascents and descents) over that time period, a really cool record for runners, mountain bikers and skiers.

* The compass is one of the strongest in this class of devices, which to be sure isn't the greatest to begin with ... but even the serious orienteerer would be impressed. The ability to adjust for local declination is really nice.

* The barometer is good, but not great. However, if you want to be aware of potential weather changes, this will provide you with some peace of mind. Better to be safe than sorry (or worse) in this regard.

* The thermometer isn't accurate at all unless you take the watch off for 15-20 minutes or so to eliminate the warming effect of your skin/body temperature.

* Some of the controls and settings are not easy to comprehend or remember. I've never been able to figure out how to use the stopwatch, timer and lap features. If you're a swimmer or triathlete and this is important to you, look to the Timex Ironman standby.

* Waterproofing is rock solid. No worries.

* The soft-rubber watchband is comfortable to wear, but will deteriorate over time, even more rapidly in chlorine. Suunto offers a much lighter nylon/velcro alternative that I personally prefer.

Overall, I really like the Vector. But for a number of reasons already mentioned, would not feel comfortable giving it a perfect 5.0 score. But consider my 4.0 more like a 4.7 ... you can't go wrong here.

Review by Jeff Edwards: 4 Dive Computer Watch Reviews

51QD53H9VZL. SL75  Dive Computer Watch ReviewsI am a watch collector, and in many instances, the bigger the better, and it truly IS difficult to find a timepiece bigger than your average Suunto Wristop Computer (other than the Observer). But despite its size, the Vector is quite comfortable on my wrist. It doesn't seem too bulky, and I know that sounds impossible to believe -- especially once you see the beast for the first time, but its true.

If you are an avid outdoor person, whether you're into hiking, mountain climbing or just a regular fisherman, you simply should NOT leave home without a device like this. First off it has a highly accurate digital altimeter, which admittedly needs regular calibration, but as long as you keep close track of what it says, you should have no trouble keeping up on exactly where you are above (or below) sea level. Next up is another widely under-used tool, a digital barometer. Sure it may SEEM intimidating -- at FIRST, but spend a few minutes closely reading the instruction manual, and you should have it down fairly quickly. I wouldn't say you could bet your life on the accuracy of this barometer, but it IS a LOT closer to predicting the real weather than any meteorologist I've ever encountered. I'd say it was around 80% correct -- and when was the last time you could say that about your local weatherman, huh? Also, the barometer features a built-in thermometer. Now again, for a totally correct temp reading you must take the watch off your wrist for about 15 minutes first, and as far as I am aware, all watches that feature this function must be done the same way, so keep that in mind before you look at your watch and declare it's 90 degrees when it is more likely 75. Finally the last nifty gadget crammed into this watch is a highly accurate digital compass. Once calibrated (and once again you may need to re-calibrate once-a-week or so to be spot-on) this compass gives you great assistance, especially for the avid hikers out there who rely on map reading in unfamiliar territory.

Oh yeah, I almost forgot, it also can tell the time...it has an alarm and even a stopwatch. What will they think of next? The ONLY reason why the Vector received 4 stars instead of 5 is because despite how GOOD this timepiece really is, it really SHOULD have come with crystal or glass rather than a plastic face. I have the Suunto X-Lander which is pretty much a clone of the Vector built inside an aluminum body rather than plastic and comes with a mineral crystal face. The one thing the X-Lander is missing that the Vector has is the tiny bubble in the upper right of the watch face which is invaluable in taking accurate readings by knowing how level you are. REALLY helpful. I dunno, maybe it isn't possible to put a bubble inside of the glass face, but if it IS possible, they ought to think about doing that sometime soon.

One more thing: the various colors you can find the Vector help to make it as much an accessory to your hiking outfit as an invaluable tool needed for a safe trek. I personally like the yellow the best, but I was surprised at how cool the Khaki face looked, so I went ahead with that one.

All in all, if you are looking for something that will combine the incredible usefulness that the Vector has in such a small package, I would definitely say Suunto has another winner on their hands...or on their wrists, so to speak. Outstanding product.

Buy Suunto Vector Wrist-Top Computer Watch with Altimeter, Barometer, Compass, and Thermometer (xBlack) now for only Too low to display!

Suunto D9 Wrist-Top Dive Computer Watch with Wireless Transmitter (Titanium)

512D0EBA6GL. SL160  Dive Computer Watch ReviewsSuunto D9 combines all dive-critical information in one instrument, conveniently mounted on your wrist. Instead of monitoring a multitude of gauges, you can concentrate on what is important - diving. The world's first dive computer to incorporate a digital compass, it is functional on land or under water. The compass shows the general direction with a graphical compass rose, as well as the exact bearing with a numerical display. By using Suunto D9's optional wireless transmitter, the diver can also monitor tank pressure and air consumption data from the wrist. The remaining tank pressure is displayed both numerically and graphically, and an estimation of the remaining air-time is given throughout the dive. This allows the diver to monitor the remaining air supply at the same time as he monitors depth and time.

  • World's first dive computer to integrate a digital compass and wireless tank data reception.
  • Memory stores compass headings and dive information to download for further analysis after your dive.
  • Set it titanium housing, also comes with Suunto Dive Manager and PC Interface.

Rating: 5 Dive Computer Watch Reviews (out of 1 reviews)

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List Price: $ 1,399.99
Price: $ 1,350.00

Suunto D9 Wrist-Top Dive Computer Watch with Wireless Transmitter (Titanium) Reviews

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Oceanic Geo Watch Dive Computer-Yellow-ONE

419bAWrKbmL. SL160  Dive Computer Watch ReviewsThe GEO is a powerful and versatile SCUBA and Free-Diving Sports watch, cementing our reputation as the leader in specialty dive watches. A unique combination of quality, function and style, the GEO Wristwatch is perfect on its own or as a backup to any dive computer. -amp-nbsp; Advanced Free Dive Mode The GEO provides accurate depth and time with an amazing 1-second sampling rate for subsequent PC download and analysis. Dive Time is displayed in seconds and minutes. Custom audible alarms include Elapsed Dive Time, Countdown Timer and (3) Independent Max Depth Alarms. The GEO is the first Free Diving Computer to calculate and track Nitrogen Tissue Loading, allowing you to switch between SCUBA dives and Free Dives on the same dive day.-amp-nbsp;-amp-nbsp; Advanced Wristwatch Functions The GEO is an advanced digital wristwatch featuring a 1/100 second chronograph (stopwatch) with lap timer, 24 hour countdown timer, daily alarm, alternate time zone with date, 12/24 hour clock, and OceanGlo Backlight. -amp-nbsp; Dive Time Remaining Dive Time Remaining provides a `real` number in minutes, considering Nitrogen and Oxygen absorption, and automatically displays whichever allows less time. -amp-nbsp; Oversized Digits-amp-nbsp; Audible Alarms with Flashing LED Warning Light The GEO features a variety of system and user-customized audible alarms, alerting you to situations that pose a potential danger, or simply serve as a convenient reminder.

  • Digital Watch, Air, Nitrox, Gauge and Free Dive Modes
  • PC Downloadable with optional OceanLog PC Interface
  • Custom Audible Alarms with Alarm Acknowledgement
  • Advanced digital watch functions & adjustable safety stop time and depth
  • OceanGlo® Backlighting & diver replaceable battery

Rating: 3 Dive Computer Watch Reviews (out of 1 reviews)

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List Price: $ 399.99
Price: $ 289.95

Oceanic Geo Watch Dive Computer-Yellow-ONE Reviews

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Momentum Midsize 1M-DV92B1 Nereos Feet Watch

51NmLyVCbqL. SL160  Dive Computer Watch ReviewsThe Momentum Nereos is engineered for unmatched reliability and ease of use. Its precision depth gauge tracks critical information for planning safe dives, including current depth, maximum depth and average depth. A water sensor engages the dive mode to track bottom time and surface interval time clearly and effortlessly. Data for the last 4 dives is held in the dive log memory. The distinctive stainless steel case is pressure tested to ta depth of 200m/660ft and finished in an ultra-durable, matte black finish. The dial and hands use Blackout Superluminous for unsurpassed legibility, and the heat-tempered mineral glass is anti-reflective treated to cut glare. Nereos is both a vesatile watch and the perfect backup for any dive computer, in a striking and suprisingly compact package.Although it's designed with the serious diver in mind, Momentum's Nereos watch is a stylish, sporty timepiece that you'll want to wear every day. Made with a black, stainless steel, 44.97-millimeter case with corresponding bezel and a sleek, durable black rubber wristband, this watch features a precision depth gauge, water resistance to 660 feet, an alarm clock function, dive log capabilities, and a water temperature monitor.

  • Quartz-depth-gauge movement
  • Mineral crystal
  • Case diameter: 44.97 mm
  • Pvd-316L-stainless-steel case; matte-black dial; perpetual-calendar functions
  • Water-resistant to 660 feet (200 M)

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List Price: $ 395.00
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Oceanic Geo Watch Dive Computer-LIME GREEN-ONE

51z6xNAw4KL. SL160  Dive Computer Watch ReviewsThe GEO is a powerful and versatile SCUBA and Free-Diving Sports watch, cementing our reputation as the leader in specialty dive watches. A unique combination of quality, function and style, the GEO Wristwatch is perfect on its own or as a backup to any dive computer. -amp-nbsp; Advanced Free Dive Mode The GEO provides accurate depth and time with an amazing 1-second sampling rate for subsequent PC download and analysis. Dive Time is displayed in seconds and minutes. Custom audible alarms include Elapsed Dive Time, Countdown Timer and (3) Independent Max Depth Alarms. The GEO is the first Free Diving Computer to calculate and track Nitrogen Tissue Loading, allowing you to switch between SCUBA dives and Free Dives on the same dive day.-amp-nbsp;-amp-nbsp; Advanced Wristwatch Functions The GEO is an advanced digital wristwatch featuring a 1/100 second chronograph (stopwatch) with lap timer, 24 hour countdown timer, daily alarm, alternate time zone with date, 12/24 hour clock, and OceanGlo Backlight. -amp-nbsp; Dive Time Remaining Dive Time Remaining provides a `real` number in minutes, considering Nitrogen and Oxygen absorption, and automatically displays whichever allows less time. -amp-nbsp; Oversized Digits-amp-nbsp; Audible Alarms with Flashing LED Warning Light The GEO features a variety of system and user-customized audible alarms, alerting you to situations that pose a potential danger, or simply serve as a convenient reminder.

  • Digital Watch, Air, Nitrox, Gauge and Free Dive Modes
  • Custom Audible Alarms with Alarm Acknowledgementü
  • OceanGlo_ Backlighting
  • Diver-Replaceable Batteryü
  • Advan

Rating: 3 Dive Computer Watch Reviews (out of 1 reviews)

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Oceanic Geo Watch Dive Computer-LIME GREEN-ONE Reviews

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Aeris XR-1 Wrist Computer ~Includes now FREE the Digital online class to get the most out of your dive computer.

41qkTz66I1L. SL160  Dive Computer Watch ReviewsThe AERIS XR-1 is an ideal, user-friendly diving computer for those who prefer wrist-mounted computer gear. Stop missing the eye-catching sea life during your dives because you're staring at a hard-to-read dive computer. The XR-1's enlarged digits, easy-to-read icons, and split screen take the guesswork out of reading your dive computer. Also, the XR-1 allows you to decide what information displays; now you can customize the display to include only the things you want to keep an eye on during your dives. Click below to view a series of tutorial videos for the Aeris XR-1 XR-1 Introduction XR-1 100 Settings XR-1 100 No Deco Dive

  • Optional water-activation mode
  • Variable ascent rate indicator
  • User-defined information display.
  • Safety stop timer
  • Remaining dive time display

Rating: 4 Dive Computer Watch Reviews (out of 1 reviews)

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Aeris XR-1 Wrist Computer ~Includes now FREE the Digital online class to get the most out of your dive computer. Reviews

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Find more Dive Computer Watch products on Amazon!

Dive Computer Watch

A dive computer watch's primary purpose is to support scuba divers in tracking their dives and returning safely back to sea level. It is a dive compute compacted into the dimensions of a regular sports watch. The functions of a conventional diving watch is presented in a digital format, plus a host of other features not present in a standard analog timepiece.

While many diving computers are a technologically-advanced alternative to standard dive tables, it doesn't mean they are better. It is essential, therefore, to know the basic principles of a diving computer so you can figure out what's best for you. The diving computer provides a back up (or the dive table could be a standby) in case the need arises.

Dive computers provide an alternative method of computing the data that has traditionally been performed by pressing tables. Because a computer is able to do continuous calculations based on the partial pressure of inert gasses in the human body, dive depth and overall time, the statistical read-out is available to be calculated in real-time. The adventurous and meticulous diver is privy to up-to-the-minute information and immediately adjusts to changes in the dive schedule.

Some recent diving computers can be connected to a diving cylinder pressure meter. Access is granted to real readings on gas levels, data on gas pressure and remainder breathing time. Contemporary computer dive watches can immediately generate an ascent plan extemporaneously, albeit for safety reasons, divers are strongly advised to plan their dives substantially in advance and consistently stay within the limits of established decompression tables. Unless there is an unexpected disruption by an unforeseen event, a conscientious diver must always stay with the first plan.

The challenge with using dive computer algorithms is that it is not easy to fully comprehend the absorption of pressurized discharge and gas in the body. Another weak spot of machine-manufactured dive plans is that an individual diver's health, fitness and physiology differs from the next diver. A modern dive computer watch grants a lot more features and functionality in addition to those of conventional diver's watches which are often just water-resistant.

In the current market, the dive computer watch is substantially more affordable and consequently accessible to the diver with a budget as compared to the time when there wasn't a huge demand for them. The dive computer watch may not have the classic design appeal of an analog swim watch; yet committed scuba divers can benefit in a big way from having up-to-the-minute information on their wrists. A dive machine is a great investment, despite not being used as a primary watch.

Dive Computer Watch1 Dive Computer Watch