Garmin Descent Mk3i 51mm Carbon Grey DLC Titanium Dive Computer - DLC Titanium Band

A Dive Computer That Doubles as Your Everyday Watch

The Descent Mk3i 51mm houses a 1.4" AMOLED display behind a scratch-resistant sapphire lens, wrapped in a Carbon Grey DLC-coated titanium bezel and paired here with a matching DLC titanium band. Leakproof metal inductive buttons keep the case fully sealed to a 200-meter dive-rated depth, so it moves from technical dive sites to daily wear without missing a beat.

Underwater, it supports multiple dive modes across recreational, technical, and freediving, with DiveView maps overlaying bathymetric depth contours across more than 4,000 charted dive sites. SubWave sonar technology lets divers send messages to each other up to 30 meters away and monitor tank pressure and depth for up to eight divers on one screen, while a built-in LED flashlight with variable intensity and strobe modes covers low-visibility situations. Up to 200 dives are logged and reviewable directly on the device.

Above the surface, multi-band GPS delivers fast, accurate positioning, and a full ABC sensor suite with an underwater compass keeps navigation accurate at any depth. Daily health tracking covers wrist-based heart rate, advanced sleep monitoring, respiration, and Pulse Ox, and the watch supports Garmin Pay and on-device music storage. Battery life runs up to 25 days in smartwatch mode and up to 66 hours in dive mode.

• 200m dive-rated case: Carbon Grey DLC titanium bezel with leakproof metal inductive buttons
• SubWave sonar: Diver-to-diver messaging and tank pressure/depth monitoring for up to 8 divers
• DiveView maps: Bathymetric contours across 4,000+ charted dive sites
• Built-in dive flashlight: Variable intensity with strobe modes for low-visibility dives
• Long endurance: Up to 25 days smartwatch mode, 66 hours dive mode
• Full dive log: Stores and reviews data from up to 200 dives on-device

Specifications

• Case size: 51mm, Carbon Grey DLC titanium bezel
• Display: 1.4" AMOLED with scratch-resistant sapphire lens
• Depth rating: 200 meters, dive-rated case with leakproof inductive buttons
• Battery life: Up to 25 days smartwatch mode, 66 hours dive mode
• Positioning: Multi-band GPS for surface accuracy
• Sensors: ABC sensors with underwater compass, wrist heart rate, Pulse Ox, respiration and sleep tracking
• Dive features: Multiple dive modes, SubWave sonar networking, DiveView maps, built-in LED flashlight
• Storage: On-device dive log for up to 200 dives, plus music storage
• Connectivity: Garmin Pay, Bluetooth smartphone pairing
• Band: DLC titanium

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