Garmin Descent G1 Dive Computer
Couldn't load pickup availability
Delivery Information
Delivery Information
Delivery Information
We offer free tracked UK standard delivery on orders over £50.
Standard UK delivery and Next Business Day UK delivery rates are calculated at checkout and offers a number of courier options for maximum convenience to you.
International shipping rates depend on items, shipment weight and destination. Shipping costs are calculated at checkout.
Estimated delivery times are shown during checkout and reflect your chosen delivery method. More Details
60 Day Returns
60 Day Returns
Returns Information
If you change your mind, it doesn’t fit, or you become inflicted with buyer’s regret - that's OK!
Mike's Dive Store offer an extended returns policy of 60 days - so you can be rest assured if the suit, piece of diving equipment or gift doesn't suit then just send it back, and we will either exchange it or offer a full refund less any postage costs. Too easy!
Please note that there are some special order items on our website that will be subject to a 20% re-stocking fee, but we will let you know about these items before we 'special order' them so that you are aware of this. If this is the case we can always help with correct sizing so that we minimise the risk of return. More Details
Returning To Chiswick Store
We want to make your shopping experience as seamless and enjoyable as possible, even when it comes to returns. That’s why we offer hassle-free returns at our Chiswick store. But there’s more—when you visit to make a return, you can also pre-order items to be available for collection. This means we’ll have a range of sizes ready for you to try on, ensuring you find the perfect fit before leaving the store.
Shop with Confidence, Wherever You Are
To make things even easier, we offer complimentary video consultations with our expert team. Whether it’s before or after your purchase, our specialists can guide you through sizing, fit, and styling—all from the comfort of your home. It’s like having your own personal VIP shopping experience, tailored just for you.
From returns to reorders, we’re here to help you find exactly what you need with zero stress.
Book Video Consultation: Book Now
Help & Support
Help & Support
Need Help?
Our expert diving team is here to assist with your order, sizing, or product selection. We're divers ourselves, ready to support you!
Chat Hours:
Monday - Friday: 09:00 AM - 05:50 PM GMT
Prefer a call back? Just request it through the chat bubble!
Store Location
Mike's Dive Store
113 Power Rd, Chiswick, West London, W4 5PY
Local: (020) 8994 6006
Store Hours
Mon - Fri: 10 AM - 6 PM
Sat: 10 AM - 5 PM
Sun: Closed
Bank Holidays: Store & Warehouse Closed (no dispatch)
Online Video Consultations
Unable to visit us? Book a live video consultation for tailored advice on equipment, fitting, or specialized gear. Get expert guidance from our team, face-to-face. Book Now
For more answers, visit our FAQs.
The Garmin Descent G1 Dive Watch Computer is a fantastic smartwatch with multiple diving functions. Just like its sibling the Garmin Descent G1 SOLAR Dive Watch appeals to all active scuba divers and adventurers looking for exceptional value for money equipment with a multidisciplinary approach to fitness. From free diving to technical rebreather diving and from walking to professional fitness and health tracking - this is one amazingly versatile piece of equipment for underwater and surface sports.
The Garmin Descent G1 Watch for Diving
The Garmin Descent G1 dive computer is a powerful tool for any diver. It offers an abundance of surface and underwater modes every diver will find extremely useful. For underwater functions, the Garmin G1 Dive Smartwatch offers multiple and customisable dive modes such as single and multiple gas dives (air, nitrox and trimix), gauge, apnea, spearfishing and even closed-circuit rebreather and underwater 3-axis compass. On the surface, it empowers your scuba adventures by linking powerful satellite communication via an inReach2 Mini device or feeds data on ocean conditions via your smartphone. It is GPS enabled to help mark surface entry and exit points.
The Garmin Descent G1 for Sport and Fitness
The Garmin Descent G1 is also a powerful tool for any active sportsman and sportswomen. Super helpful sports functions include trail running, swimming, running, biking, hiking, rowing, skiing, golfing and more. It provides data on your fitness age recovery time, training status, respiration, sleeping patterns and many more. It offers an astonishing 30 built-in sports apps and advanced training features.
The Garmin Descent G1 Dive Watch's Design
The Garmin G1 smartwatch dive computer is designed for intensive use in and out of the water. The casing of the Garmin G1 is made out of the impact-resistant, fibre-reinforced technical polymer, and it is dive rated to 100m and built to match military spec MIL-STD-810. The screen is made of impact and scratch-resistant sapphire lens sheltering high contrast easy-to-read monochrome display. You can enjoy extended battery times with up to 25 hours in dive mode, 21 days in smartwatch mode and 26 hours in GPS mode.
What in the box: Descent™ G1, Charging/data cable, Documentation.
| Lens material | Sapphire crystal |
|---|---|
| Bezel material | Fibre-reinforced polymer |
| Case material | Fibre-reinforced polymer |
| QuickFit™ watch band compatible | Yes (22 m) |
| Strap material | Silicone |
| Physical size | 45.5 x 45.5 x 15.2 mm Silicone Band: 128-224 mm Extra Long Silicone Band: 128-373 mm |
| Display Size | Custom, two-window design: 0.9″ x 0.9″ (23 x 23 mm) |
| Display Resolution | 176 x 176 pixels |
| Display Type | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) |
| Weight | 61 g |
| Battery life | Dive Mode: Up to 25 hours Smartwatch Mode: Up to 21 days Battery Saver Watch Mode: Up to 48 days GPS Mode: Up to 26 hours Max Battery GPS Mode: Up to 56 hours Expedition GPS Activity Mode: Up to 27 days |
| Water rating | Dive (100 meters) |
| Memory/history | 32 MB |
| Dive activity maximum operating depth | 100 meters |
|---|---|
| Single-gas mode | Yes |
| Multi-gas mode | Yes |
| Gauge mode | Yes |
| APNOEA mode | Yes |
| APNOEA hunt mode | Yes |
| Decompression model | Bühlmann ZHL-16c with gradient factors |
| Nitrox support | Yes |
| Trimix support | Yes |
| Closed Circuit Rebreather (CCR) | Yes |
| Gas mixes | Air, Nitrox and Trimix up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gases |
| PO2 | Up to 2.0 with customisable deco PO2 setting |
| Auto start/end dive | Yes |
| Custom end-dive timeout | Yes (20 s to 10 m) |
| Safety Stop | Yes (customisable off/3min/5min) |
| Deep Stops | Yes (using custom gradient factors) |
| Customisable conservatism | Yes (low/medium/high or custom using gradient factors) |
| Dive ascent/descent rate indicator | Yes |
| Automatic altitude adjustment | Yes |
| No-fly time | Yes |
| Dive planner | Yes (basic NDL + multi-gas deco planner) |
| Tides | Yes |
| Backlight | Yes (configurable time and intensity; auto-on at depth) |
| Automatically saves dive entry and exit locations | Yes |
| Custom dive data screens | Yes |
| Sync dive log to Garmin Dive™ Mobile app | Yes |
| Alerts & alarms | Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching. Customisable (up to 40) audible and/or vibration per dive mode, based on depth or time |
| 3-axis dive compass | Yes (with an adjustable heading, a quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading |
| Missed Deco Lockout | Yes (can be disabled prior to dive with user acknowledgement) |
| Residual Tissue Loading Reset | Yes (on the surface with user acknowledgement) |
| Surface diver status widget | Yes (surface interval, N2/HE loading, CNS, OTU and tissue compartment status) |
Features:
- Clock features: Time and Date, GPS Time Sync, Automatic Daylight Saving Time, Alarm Clock, Timer, Stopwatch, Sunset and Sunrise Times
- Health Monitoring: Wrist-based heart rate, Daily Resting Heart Rate, Abnormal Heart Rate Alerts; Respiration rate, Pulse Ox Blood Oxygen Saturation, Fitness age, Body Battery™ Energy Monitor, All-day stress tracking, relaxation breathing timer, Sleep, Sleep score and insights, Women's Health, Hydration Tracking
- Sensors: GPS, GLONASS, GALILEO, Garmin Elevate, Barometric Altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Depth sensor, Pulse Ox Blood Oxygen Saturation Monitor
- Smart Features: Connect IQ, Smart Notifications, Calendar, Weather, Battery Saver, Smartphone Music Control, Music Storage, Find my Phone, Find my Watch, VIRB Camera Remote, Smartphone Compatibility,
- Pairing Features: Garmin Golf, Garmin Connect Compatible, Garmin Pay Compatible
- Safety Tracking Features: Live Track, Group Tracking, Dual Grid Coordinates for TACTICAL Usage
- Activity Tracking Features: Step Counter, MOve Bar, Auto Goal, Calories Burned, Floors Climbed, Distance Travelled, Intensity Minutes, TrueUp, Move IQ, Garmin
- Training and Planning Features: HR Zones, HR Alerts, HR Calories, HR Max, HRR, Recovery Time, Auto Max, NRV Stress Test, HR Broadcast, GPS Speed and Distance, Customisable Screen, Customisable Profiles, Auto Pause, Interval Training, Advanced Workout
- Other Features includes: Fitness Gym, Training and Planning and Analysis, Running Features, Golfing Features, Outdoor Recreations, Cycling Features, Swimming Features,
- Compatible with Applications: Garmin Connect Mobile, Garmin Golf, Garmin Explore, Garmin Connect, Heart Rate Monitors, Bicycle Accessories
- Compatible Devices: Alpha 200i K, Atemos, GPSMAP 66i, InReach Mini, Montana 700, Montana 750i, Cycling Rally XC100, Cycling Rally XC200 pedals, VIRB 360 Camera, VIRN Ultra30.