Descent Mk3i Watch - French Gray - 43 mm

Garmin Descent MK3i: multi-use computer for freediving and underwater activities

Descent MK3i is a compact dive computer with built-in GPS and full-color DiveView maps showing depth contours and dive spots, providing precise support during freediving and spearfishing sessions. The underwater compass, tide table, and barometer support detailed orientation and dive planning.

Technical features and dive functions

• Durable titanium case with sapphire crystal lens protecting the large 1.2” AMOLED display (390x390 pixels), for optimal readability even in low-light conditions.
• Depth Gauge with resistance down to 200 meters.
• Configurable dive modes: single and multiple gas (nitrox, trimix), freediving, spearfishing, rebreather, gauge mode.
• Integration with the Descent T2 transmitter (sold separately) for communication via the Garmin Sonar Network SubWave network, allowing preset message exchange and monitoring of up to 8 tanks with pressure display, usage trend, and remaining times within a 10-meter range.
• 32 GB internal memory for storing and analyzing up to 200 dives, with synchronization and sharing via Garmin Connect™ and the Garmin Dive app.
• Advanced management through Readiness technology, which assesses sleep quality, stress, and physical activity to suggest the optimal time for freediving or spearfishing.

Health monitoring and multisport use

Descent MK3i integrates advanced detection and monitoring systems for freediving and underwater activities:

• Continuous heart rate monitoring with Elevate™ 2 technology
• 24/7 respiratory rate detection and blood oxygen saturation (SpO2)
• Stress tracking, sleep quality, and Body Battery for managing personal energy

In addition to underwater functions, it supports multisport profiles for running, cycling, swimming, trail running, rowing, triathlon, and many other disciplines, making it easier to manage daily sports activity in an integrated way.

Smart features and connectivity

• Bluetooth® Smart, ANT+™ and Wi-Fi® connectivity for data synchronization and updates.
• Smart notifications, calendar, weather, music controls with built-in storage for up to 2000 songs.
• Compatible with iPhone and Android devices for management via the Garmin Connect™ Mobile app.
• Garmin Pay for contactless payments directly from the device.

Battery life and comfort

The battery provides up to 66 hours of battery life in dive mode and 48 hours with all satellite systems active (GPS, Glonass, Galileo). In smartwatch mode it can last 25 days, and 31 days as a basic watch.

The silicone strap combines comfort and durability, with a French Gray finish for a clean, functional design.