Garmin Descent G1 Solar Dive Computer
General Lens Material Power Sapphire Bezel Material fiber-reinforced polymer Case material fiber-reinforced polymer QuickFit™ watch band compatible yes (22 mm) Strap material silicone Physical size 45.5 x 45.5 x 15.2 mm Silicone Band: 128-224 mm Extra Long Silicone Band: 128-373 mm Display Size custom, two-window design: 0.9” x 0.9” (23 x 23 mm) Display resolution 176 x 176 pixels Display Type monochrome, sunlight-visible, transflective memory-in-pixel (MIP) Weight 66 g Water rating Dive (100 meters) Battery life Dive Mode: Up to 25 hours Smartwatch: Up to 21 days/4 months with solar * Battery Saver Watch Mode: Up to 48 days/Unlimited with solar* GPS: Up to 26 hours/39 hours with solar ** Max Battery GPS Mode: Up to 56 hours/205 hours with solar** Expedition GPS Activity: Up to 27 days/Unlimited with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions Memory/History 32 MB Clock Features Time/date GPS Time Sync Automatic daylight saving time Alarm clock Timer Stopwatch Sunrise/sunset times Health Monitoring Wrist-based heart rate (constant, every second) Daily resting heart rate Abnormal heart rate alerts yes (high and low) Respiration rate (24x7) Pulse Ox blood oxygen saturation yes (spot-check, during sleep, all day) Fitness age Body Battery™ energy monitor All-day stress Relaxation breathing timer Sleep Sleep score and insights Hydration yes (in Garmin Connect™) Women's health yes (in Garmin Connect™) Health snapshot Sensors GPS GLONASS Galileo Garmin Elevate™ wrist heart rate monitor Barometric altimeter Compass Gyroscope Accelerometer Thermometer Depth sensor Pulse Ox Blood Oxygen Saturation Monitor Daily Smart Features Connectivity Bluetooth®, ANT+® Connect IQ™ (downloadable watch faces, data fields, widgets and apps) Smart Notifications Text response/reject phone call with text (Android™ only) Calendar Weather Battery saver (customizable low power watch) Controls smartphone music Find My Phone Find My Watch VIRB® Remote Smartphone compatibility iPhone®, Android™ Pairs with Garmin Golf app Pairs with Garmin Connect™ Mobile Garmin Pay™ Safety and Tracking Features LiveTrack Incident Detection during select activities Assistance Tactical Features Dual grid coordinates Diving Features Dive activity maximum operating depth 100 meters Single-gas mode Multi-gas mode Gauge mode APNEA mode APNEA hunt mode Decompression model Bühlmann ZHL-16c with gradient factors Nitrox support Trimix support Closed Circuit Rebreather (CCR) Gas mixes Air, Nitrox and Trimix up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses. PO2 Up to 2.0 with customizable deco PO2 setting Auto start/end dive Custom end-dive timeout yes (20s to 10 m) Safety Stop yes (customizable off/3min/5min) Deep Stops yes (using custom gradient factors) Customizable conservatism yes (low/medium/high or custom using gradient factors) Dive ascent/descent rate indicator Automatic altitude adjustment No fly time Dive planner yes (basic NDL + multi-gas deco planner) Tides Backlight yes (configurable time and intensity; auto-on at depth) Automatically saves dive entry and exit locations Custom dive data screens Sync dive log to Garmin Dive™ Mobile app Alerts & alarms Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching. Customizable (up to 40) audible and/or vibration per dive mode, based on depth or time 3-axis dive compass yes (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading Missed Deco Lockout yes (can be disabled prior to dive with user acknowledgement) Residual Tissue Loading Reset yes (on the surface with user acknowledgement) Surface diver status widget yes (surface interval, N2/HE loading, CNS, OTU and tissue compartment status) Boating Features Available Boating Profiles Boating Built-in barometer and tide tables