Garmin Descent Mk3i Dive Computer 51mm
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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.
Festive Hours: In-Store, Click & Collect & Delivery Info
Festive Hours: In-Store, Click & Collect & Delivery Info
Showroom Christmas & New Year Opening Times
Visit us at Mike’s Dive Store, 113 Power Rd, Chiswick, West London, W4 5PY, this holiday season to complete your festive shopping or pick up your online order!
| Date | Opening Hours |
|---|---|
| Monday, 23rd December | 10:00 AM - 6:00 PM |
| Christmas Eve, 24th December | 10:00 AM - 4:00 PM |
| Christmas Day, 25th December | CLOSED |
| Boxing Day, 26th December | CLOSED |
| Friday, 27th December | 10:00 AM - 6:00 PM |
| Saturday, 28th December | 10:00 AM - 5:00 PM |
| Sunday, 29th December | CLOSED |
| Monday, 30th December | 10:00 AM - 6:00 PM |
| New Year’s Eve, 31st December | 10:00 AM - 4:00 PM |
| New Year’s Day, 1st January | CLOSED |
Enjoy the season and visit us when it suits you! 🎅
Customer Service / Online Chat:
Our customer service team will be unavailable during the same holiday period as our showroom. However, our website will remain open 24/7 for your online orders.
Christmas & New Year Dispatch Schedule
To ensure your orders arrive on time, please take note of the following delivery deadlines and dispatch information:
| Delivery Method | Order by |
|---|---|
| Standard Shipping | Thursday, 19th December |
| Express Shipping | Friday, 20th December |
Last-Minute Orders:
- We’ll dispatch next-day deliveries on Monday, 23rd December, but due to carrier delays, we recommend placing your order earlier to avoid disappointment! 🎁
- If you need a backup plan, visit our Chiswick store, open until 4 PM on Christmas Eve, or grab a Mike’s Dive Store Gift Card—the ultimate last-minute lifesaver!
Orders After 23rd December:
Orders placed after 23rd December will be processed and dispatched on 27th December 2024.
Holiday Courier & Dispatch Hours
| Date | Status |
|---|---|
| New Year’s Eve, 31st December | Open until 2 PM (Courier collections until 12 PM) |
| New Year’s Day, 1st January | CLOSED |
| Tuesday, 2nd January | Back to normal operations |
Thank you for choosing Mike’s Dive Store – we wish you a wonderful Christmas and a Happy New Year! 🎅
Garmin Descent Mk3i 51mm Dive Features
The Garmin Descent Mk3i Dive Computer 51mm is an essential tool for any diver's safety. It features a comprehensive dive log, long battery life of up to 66 hours in dive mode, customizable dive modes with screens of your choosing, and a lume mode with a green luminescence for easy visibility in low-light conditions. The built-in LED flashlight has variable light intensities and strobe modes making sure you stay seen in any environment.
The Garmin Descent Mk3i Dive Computer 51mm is a specialized dive computer with ABC sensors, surface GPS, a Garmin Dive App, a Reference Point, and a Variometer, providing you with essential navigation tools for a successful dive. Make every part of your journey precise and safe with this dive features packed dive computer.
The Garmin Descent Mk3i Dive Computer 51mm keeps divers informed and safe with the addition of Big Numbers Mode for simplified and larger text data display, Tide Data for ocean conditions, as well as compatibility with an inReach Device for satellite messaging. Enjoy dependable and precise dive information with this advanced dive computer.
Garmin Descent Mk3i Health and Fitness Functions
Monitor your outdoor activities with the Garmin Descent Mk3i Dive Computer 51mm. With preloaded sports activities such as trail running, swimming, biking, and skiing, plus surfing and backcountry snowboarding metrics, keep track of max speed, distance traveled, ascent and descent data, and more. Plus, use the VO2 max to evaluate your current fitness level and set goals.
The Garmin Descent Mk3i Dive Computer 51mm helps you manage your workouts with its daily suggested workouts, animated workouts, wrist-based heart rate monitoring, and Pulse Ox Sensor for blood oxygen saturation. Get clarity on your fitness levels with helpful insights from this dive computer.
The Garmin Descent Mk3i Dive Computer 51mm provides precise metrics to help you evaluate and optimize your training, and features Jet Lag Adviser for better sleep, fitness, and energy levels. It measures your VO2 max, training loads, and other factors to provide an Endurance Score and Hill Score. It also includes Garmin Coach for tailored training plans, plus sleep monitoring and sleep score for improved sleep quality.
Garmin Mk3i 51mm Navigation and Orientation Functions
The Garmin Descent Mk3i Dive Computer 51mm offers superior positioning accuracy, with multi-band GPS and SATIQ™ TECHNOLOGY. It also features SKIVIEW™ MAPS, ABC SENSORS, PACEPRO™ TECHNOLOGY and Courses with Turn-by-Turn Directions for the best navigation. Create or find existing courses on Garmin Connect™ and get turn-by-turn directions with ease. Maximise your adventure with the ultimate precision.
Garmin Lifestyle Functions
Experience a new level of underwater safety and convenience with the Garmin Descent Mk3i Dive Computer 51mm. This feature-rich device offers Tracking and Safety features, along with Music, Garmin Pay, Smart Notifications, and Connect IQ Store. Stay connected with notifications on your watch when paired with your compatible smartphone, and pay contactless with participating providers. Safety assurance comes from a live location message sent when the device senses an incident. Download and enjoy your favorite songs with you on the go. Add amazing watch faces and apps to your watch with Connect IQ.
VIDEO CONSULTATIONS NOW AVAILABLE: We're bringing our highly experienced and knowledgeable staff to you with live-streaming consultations. If you need help choosing the right bit of kit or the best size before buying or even advice on whether a purchased item is the right fit for you then book yourself a consultation appointment.
- Lens material - sapphire crystal
- Bezel material - Diamond-like Carbon (DLC) coated titanium/ bronze PVD-coated titanium
- Case material - fibre-reinforced polymer with titanium rear cover
- QUICKFIT™ WATCH BAND compatible (20 mm)
- Strap material silicone
- Physical size: 51 x 51 x 16.4 mm
- Fits wrists with the following circumference: Silicone band: 135-230 mm, Extra long silicone band: 135-355 mm, Titanium bracelet: 135-220 mm
- Weight - no band: 77.8 g, silicone band: 105.6 g
- Display size: 1.4” (35.56 mm) diameter
- Display resolution: 454 x 454 pixels
- Color display
- Charging method: Garmin proprietary clip charger
- Smartwatch: Up to 25 days (10 days always-on)
- Battery Saver Watch Mode: Up to 31 days
- GPS Only: Up to 76 hours (56 hours always-on )
- All Satellite Systems: Up to 55 hours (43 hours always-on)
- All Satellite Systems + Multi-band: Up to 48 hours (38 hours always-on)
- All Satellite Systems + Music: Up to 17 hours
- Max Battery GPS: Up to 118 hours
- Expedition GPS: Up to 24 days
- Dive Mode: Up to 66 hours
- Dive Mode with Air Integration: Up to 40 hours
- Descent Mk3i – 43 mm, Carbon grey DLC titanium with black silicone band
- Black extra-long adjustment strap
- USB-C Clip Charging/Data Cable
- Documentation
Read here to view our maintenance tips for dive computers