Check the listing for details. Garmin Descent MK3/ MK3i Diving Computer and GPS Smartwatch with AMOLED Display. Condition: New. Listed at 1199.99 USD. DESCENT MK3: SPECIFICATIONS: BATTERY LIFE: Up to 10 Days DISPLAY TYPE: AMOLED WATER RATING: Dive (200 Meters) STRAP MATERIAL: Silicone LENS MATERIAL: Sapphire Crystal MK3 BEZEL MATERIAL: Stainless Steel MK3i BEZEL MATERIAL: Diamond-like Carbon (DLC) coated titanium or bronze PVD coated titanium MK3 CASE MATERIAL: Fiber-Reinforced Polymer with Stainless Steel Rear Cover MK3i CASE MATERIAL: Fiber-Reinforced Polymer with Titanium Rear Cover QUICKFIT WATCH BAND COMPATIBLE: Yes (20 mm) MK3 PHYSICAL SIZE: 43 x 43 x 14.15 mm MK3i PHYSICAL SIZE: 43 x 43 x 14.3 mm Fits wrist with the following circumference Silicone Band: 128 - 224 mm Extra Long Silicone Band: 128-360 mm MK3 WEIGHT: No Band: 53.5 grams Silicone Band: 72.5 grams MK3i WEIGHT: No Band: 49.3 grams Silicone Band: 68.3 grams LEAKPROOF INDUCTIVE BUTTONS: Yes DISPLAY SIZE: 1.2 inches diameter DISPLAY RESOLUTION: 390 x 390 pixels COLOR DISPLAY: Yes BATTERY LIFE FOR MK3: Smartwatch: Up to 10 Days ( 4 days always-on) Battery Saver Watch Mode: Up to 12 days GPS Only: Up to 28 hours (22 hours always on) All Satellite Systems: Up to 20 hours (16 hours always-on) All Satellite Systems: Up to 20 Hours (16 Hours always on) All Satellite Systems + Multi-band: Up to 17 Hours (14 Hours always on) All Satellite Systems + Music: Up to 6 Hours Max Battery GPS: Up to 44 Hours Expedition GPS: Up to 10 Days Dive Mode: Up to 30 Hours MK3i BATTERY LIFE: Smartwatch: Up to 10 days (4 days always-on) Battery Saver Watch Mode: Up to 12 days GPS Only: Up to 28 Hours (22 hours always-on) All Satellite Systems: Up to 20 Hours (16 hours always-on) All Satellite Systems + Multi-band: Up to 17 hours (14 hours always-on) All Satellite Systems + Music: Up to 6 hours Max Battery GPS: Up to 44 hours Expedition GPS: Up to 10 Days Dive Mode: Up to 30 hours Dive Mode with Air Integration: Up to 15 hours