Descent™ Mk3i – 43 mm

Descent™ Mk3i – 43 mm (Carbon Gray DLC Titanium with Black Silicone Band)

The Descent Mk3i – 43 mm is a premium dive computer and multisport smartwatch built for serious divers. It combines SubWave sonar-based communication and diver monitoring with air integration capability, plus DiveView color maps to help you get oriented at the surface.

Key Features

• Bright 1.2-inch AMOLED color display with sapphire crystal lens

• 200-meter dive rating with leakproof inductive buttons

• Up to 30 hours of battery life in dive mode

• Store and sync dive logs with the Garmin Dive smartphone app

Navigation and GPS

• Multi-band GPS with SatIQ technology for strong positioning accuracy

• Built-in mapping support for above-water navigation

• DiveView color maps with bathymetric depth contours and dive sites

• ABC sensors with a 3-axis compass for navigation and orientation

Display and User Interface

• Display size: 1.2 inches (30.4 mm) diameter

• Display resolution: 390 x 390 pixels

• Color AMOLED display with touchscreen support

• Leakproof inductive buttons for dependable control in wet conditions

Diving Modes and Capabilities

• Dive modes: single-gas, multi-gas, gauge, apnea, apnea hunt, and closed-circuit rebreather (CCR)

• Nitrox and trimix support

• Automatically saves dive entry and exit locations

• Air integration support via SubWave with transmitter compatibility (sold separately)

Extras for Technical Divers

• SubWave support for diver monitoring and air integration capability

• Supports up to 8 transmitters for tank pressure monitoring setups

• CCR mode plus multi-gas diving with nitrox and trimix support

Perfect For

• Divers who want a compact 43 mm watch-style dive computer with premium readability

• Recreational to technical divers who need multi-gas and CCR support

• Divers who want GPS navigation and on-wrist DiveView maps for surface orientation

What's In The Box

• Descent Mk3i – 43 mm, carbon gray DLC titanium with black silicone band

• Black extra-long adjustment strap

• USB-C clip charging/data cable

• Documentation

Fit and Sizing

• Physical size: 43 x 43 x 14.3 mm

• QuickFit band compatible: 20 mm

• Fits wrists: 128 to 224 mm (standard silicone band)

• Fits wrists: 128 to 360 mm (extra-long silicone band)

• Weight: 68.3 g (with silicone band)