Garmin Descent Mk3 43mm Dive Computer Smartwatch - Stainless Steel
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Garmin Descent Mk3 43mm Dive Computer Smartwatch - Stainless Steel
Description
The Garmin Descent Mk3 is an advanced dive computer and smartwatch engineered for divers who demand the best both underwater and on land. Sized for smaller wrists at 43 mm, it combines a brilliant 1.2" AMOLED color display with a sapphire lens and a 200-meter dive-rated case to handle everything from recreational dives to serious technical descents. With support for multiple dive modes - including nitrox, trimix, gauge, apnea, apnea hunt, and closed-circuit rebreather - it gives serious divers the data they need on every dive.
Above the surface, the Descent Mk3 transforms into a fully capable multisport GPS smartwatch with preloaded topographic and SkiView maps, robust health monitoring, and smart connectivity features. Garmin's DiveView color maps with bathymetric depth contours and over 4,000 dive sites help you discover and navigate new locations right from your wrist. Whether you're planning a dive, logging a surf session, or chasing a running PR, this watch is built to keep up.
Key Features
- Multiple Dive Modes: Supports single and multiple gas dives including nitrox, trimix, gauge, apnea, apnea hunt, and closed-circuit rebreather.
- 200-Meter Dive Rating: Built for serious divers with a leakproof metal inductive button design and a sapphire lens.
- Up to 30 Hours Battery in Dive Mode: Stay underwater longer without worrying about battery life, plus up to 10 days in smartwatch mode.
- 1.2" AMOLED Color Display (390x390 pixels): Bright, sharp display with a large font option and Lume Mode for low-light readability.
- DiveView Color Maps: Bathymetric depth contours and 4,000+ dive sites preloaded on your wrist for easy navigation and discovery.
- Dive Readiness Tool: Garmin-first technology that evaluates sleep, stress, exercise, and jet lag to help you gauge peak readiness before a dive.
- NDL Aware Depth Metrics: Real-time data showing how depth changes affect your no-decompression limit to help extend safe bottom time.
- Multi-Band GPS with SatIQ Technology: Superior satellite positioning accuracy across GPS, GLONASS, and Galileo while optimizing battery life.
- 32 GB Storage + Music: Download songs and playlists from Spotify, Deezer, Amazon Music, or YouTube Music for phone-free listening.
- Comprehensive Health Monitoring: Wrist-based heart rate, Pulse Ox blood oxygen, sleep score, Body Battery, stress tracking, skin temperature, and more.
- Garmin Dive App Integration: Automatically syncs dive logs, allowing you to share dives, track gear, post photos, and add notes from your smartphone.
- Physical Size: 43 x 43 x 14.15 mm; silicone band fits wrists 128-224 mm; weight 72.5 g with band.
Shipping
Ships free! Please email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.
What's Included
- Garmin Descent Mk3 - 43 mm watch with Fog Gray Silicone Band
- Garmin proprietary clip charger
Why You'll Love It
The Descent Mk3 represents Garmin's most refined dive computer smartwatch, trusted by divers and multisport athletes who won't compromise on performance or reliability. Its sapphire lens and stainless steel construction are built to take the punishment of regular saltwater exposure and active topside use without missing a beat. The Garmin Dive app ecosystem makes post-dive review effortless, and Setup Sharing lets you sync settings between two compatible Descent computers so you're always backed up in the water. Whether you're training for a triathlon, riding backcountry snow, or logging a drift dive, the Descent Mk3 adapts to your life with an extensive suite of activity profiles and smart features. For divers who are also athletes - or athletes who are also divers - there's no more capable wrist companion on the market.
Product Specifications
| Case Size | 43 mm (43 x 43 x 14.15 mm) |
|---|---|
| Display Type | AMOLED, 1.2" (30.4 mm) diameter |
| Display Resolution | 390 x 390 pixels |
| Lens Material | Sapphire crystal |
| Bezel Material | Stainless steel |
| Case Material | Fiber-reinforced polymer with stainless steel rear cover |
| Strap Material | Silicone (Fog Gray) |
| Water Rating | 200 meters (Dive rated) |
| Weight (with band) | 72.5 g |
| Weight (no band) | 53.5 g |
| Band Compatibility | QuickFit 20 mm |
| Wrist Circumference (silicone) | 128-224 mm |
| Wrist Circumference (XL silicone) | 128-360 mm |
| Battery - Smartwatch Mode | Up to 10 days (4 days always-on) |
| Battery - Battery Saver Watch Mode | Up to 12 days |
| Battery - GPS Only | Up to 28 hours (22 hours always-on) |
| Battery - All Satellite Systems | Up to 20 hours (16 hours always-on) |
| Battery - All Satellite Systems + Multi-band | Up to 17 hours (14 hours always-on) |
| Battery - All Satellite Systems + Music | Up to 6 hours |
| Battery - Max Battery GPS | Up to 44 hours |
| Battery - Expedition GPS | Up to 10 days |
| Battery - Dive Mode | Up to 30 hours |
| Memory / Storage | 32 GB |
| Charging Method | Garmin proprietary clip charger |
| Connectivity | Bluetooth, ANT+, Wi-Fi, SubWave |
| Smartphone Compatibility | iPhone, Android |
| Sensors | GPS, GLONASS, Galileo, SatIQ, Garmin Elevate heart rate monitor, Pulse Ox, barometric altimeter, compass, gyroscope, accelerometer, thermometer, ambient light sensor, depth sensor |
| Part Number | 010-02753-03 |
FAQ
What is the difference between the Descent Mk3, Mk3i, and Mk3i with T2?
The Descent Mk3 is the standard advanced dive computer and smartwatch. The Mk3i adds air integration, allowing you to pair with Descent T2 transceivers (sold separately) for tank pressure monitoring and diver-to-diver messaging via SubWave technology. The Mk3i & T2 bundle includes both the Mk3i watch and the T2 transceiver, so no additional purchase is necessary to use air integration features.
Is the Descent Mk3 suitable for both recreational and technical diving?
Yes. The Descent Mk3 supports a full range of dive modes including single gas, multiple gas, nitrox, trimix, gauge, apnea, apnea hunt, and closed-circuit rebreather. This makes it appropriate for recreational divers as well as more advanced technical divers who work with multiple gas mixtures.
Can I use the Descent Mk3 as a regular everyday smartwatch?
Absolutely. When you're not diving, the Descent Mk3 functions as a full-featured GPS smartwatch with health monitoring, music storage, smart notifications, contactless payments via Garmin Pay, and support for dozens of sport and fitness activity profiles ranging from running and cycling to tennis, skiing, and team sports.
How does the Dive Readiness Tool work?
The Dive Readiness Tool is a Garmin-first feature that analyzes lifestyle factors including your recent sleep quality, exercise load, stress levels, and jet lag indicators to give you an assessment of how prepared your body is for a dive. It's designed to help you make more informed decisions about when to dive, not to replace professional dive training or medical judgment.
Does the 43 mm Descent Mk3 support QuickFit band swaps?
Yes. The 43 mm Descent Mk3 is compatible with QuickFit 20 mm watch bands, making it easy to swap between silicone, leather, metal, or nylon bands to suit your style or activity.
Can two Descent dive computers be synced together as backup devices?
Yes. The Setup Sharing feature allows two compatible Descent dive computers to seamlessly synchronize dive settings such as gases, conservatism levels, and alerts before a dive. This means either watch can serve as a fully interchangeable backup without the need for manual entry on both devices.
Thank you for trusting us with your order! This product is shipped directly from the manufacturing warehouse to get to customers all over the U.S. as soon as possible!
While many of our products are prepared and shipped out within 48 hours, some of our items are built to order or require custom pieces that could take 2-6 weeks to prepare before shipping! Please contact us at 888-884-2234 for a delivery ETA if you have a strict timeline.
Thanks!
Omaha Sports & Games Team
Returns & Refunds Policy
Return Policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at service@omahasportsandgames.com.
If your return request is accepted, it will be up to you as the buyer to return the item in its original packaging, unworn and unused. You as the buyer will be responsible for paying the return shipping. We may be able to assist you in scheduling a pickup for return but the payment will still be your responsibility. You can always contact us for any return question at service@omahasportsandgames.com.
All products are subject to a minimum 15% restocking fee based on the quality of the returned product and packaging.
Items opened, tested, used, or any other non-new condition may be eligible for return based on the manufacturer's return policy.
Shipping Damages and Issues
You must inspect your order upon reception and refuse delivery if you see damage. DO NOT sign for delivery if there is apparent damage to the product. If you sign for the delivery and later claim shipping damage, there is very little we can do to help.
If your order does not require signing at delivery and is instead just dropped off at doorstep with damage, contact us immediately with photos of the damaged boxes.
If your item(s) is defective, damaged or if you receive the wrong item, contact us immediately so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, such as custom products, special orders or personalized items. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items, gift cards, or multiple product bundle discounts.
| Specification name | Specification Value |
|---|---|
| Age group | Adults |
| Connectivity technology | Bluetooth |
| Smart watch features | Sleep tracker, Fitness tracker, Heart rate monitor |
| Target gender | Unisex |
| Watch display | Digital |
| Watch features | Waterproof |