Garmin Descent G2 Black with Black Band

The Garmin Descent G2 is a watch-style dive computer and smartwatch. This one is black, with a black band.

Diving

• Modes: single-gas, multi-gas, gauge, apnea, apnea hunt and pool apnea, with nitrox, trimix and closed-circuit rebreather (CCR) support.
• Gases: air, nitrox and trimix up to 100% O₂: one bottom gas and up to 11 deco or backup gases, PO₂ up to 2.0.
• Algorithm: Bühlmann ZHL-16c with gradient factors; conservatism low, medium, high or custom.
• Depth: maximum operating depth 100 m.
• Alarms: audible and vibration alarms for ascent rate, PO₂, CNS/OTU, no-decompression limit, deco and gas switching, plus up to 40 of your own by depth or time.
• Navigation: a 3-axis dive compass, and GPS that saves your entry and exit points.
• Planning: a dive planner (no-decompression and multi-gas deco), tides, and your log synced to the Garmin Dive app.

Screen, battery and build

• Screen: a 1.2 inch (30.4 mm) colour AMOLED touchscreen, 390 × 390 pixels, under sapphire crystal, with a large-font option. The backlight comes on by itself at depth.
• Battery: up to 27 hours in dive mode and up to 10 days as a smartwatch (4 days always-on). Charges with Garmin’s clip charger.
• Build: a 45.5 × 45.5 × 15.2 mm case of fibre-reinforced ocean-bound plastic, 61 g, with leakproof inductive buttons and 22 mm QuickFit bands.

Every day

Wrist heart rate, Pulse Ox, sleep score and coaching, training readiness and status, smart notifications, Garmin Pay, music controls, GPS activity tracking for dozens of sports, and incident detection during select activities.

Comparing watch-style computers? See how to choose a dive computer.