Tech Specs

In The Box
Descent T2 transmitter
Black extra-long adjustment strap
USB-C clip charging/data cable
Air spool
Documentation
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs

In The Box
Descent T2 transmitter
Black extra-long adjustment strap
USB-C clip charging/data cable
Air spool
Documentation
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin Descent Mk3i - The Ultimate Smartwatch for Adventurers
The Garmin Descent Mk3i is not just a smartwatch; it's your all-in-one companion for aquatic and terrestrial adventures. With its advanced dive capabilities, fitness tracking, and navigation tools, this smartwatch is engineered to elevate your experiences whether you're diving into the ocean or trekking up a mountain. Its blend of functionality and style ensures that you'll be prepared for anything life throws your way.
Key Features
- Long Dive Battery: Up to 66 hours in dive mode and 25 days in smartwatch mode.
- SubWave Sonar Messaging: Enables underwater communication and diver monitoring.
- Surface GPS: Accurately tracks entry and exit points for safe dives.
- DiveView Maps: Full-color underwater maps featuring depth contours.
- Fitness Tracking: Preloaded sports profiles for swimming, biking, running, and more.
- Smart Notifications: Receive emails, texts, and alerts directly on your wrist.
Data Insights
With the Garmin Descent Mk3i, divers can expect peak performance. The long-lasting battery supports extended dive sessions, with a remarkable 66-hour lifespan. In fitness tracking mode, the smartwatch excels, offering VO2 Max and endurance metrics to help you optimize your training. Users report an average improvement in performance metrics by over 15% after consistent use, highlighting the effectiveness of its features.
Usage Instructions
For optimal results, ensure the smartwatch is securely fastened to your wrist before diving or exercising. Activate the desired dive mode prior to entering the water to take full advantage of its advanced features. Utilize the Garmin Dive app to sync and log your diving details for future reference.
Design & Material
The Garmin Descent Mk3i boasts a robust design, featuring a 51 mm Carbon Gray DLC Titanium case for durability. Its sleek black silicone band offers comfort for all-day wear, whether on land or in water.
- Material: Carbon Gray DLC Titanium for enhanced strength.
- Band: Black silicone for a comfortable fit.
- Display: High-resolution color display for easy readability.
- Water Resistance: Rated for diving up to 100 meters.
- LED Flashlight: Built-in for visibility in low-light conditions.
- Customization: Compatible with various watch faces and apps available in the Connect IQ Store.
Final Verdict
The Garmin Descent Mk3i is a must-have for anyone passionate about adventure. Its cutting-edge features, exceptional durability, and stylish design make it the perfect companion for both diving enthusiasts and fitness buffs. Don't miss out on enhancing your adventures—upgrade to the Garmin Descent Mk3i today!