Supports large font mode, clear underwater visibility of multiple dive data and metrics
T-shaped inductive buttons with protective design for accurate operation, glove-friendly
Waterproof and corrosion-resistant
Additional details
Water Resistance
200 meters
Six dive modes including high-oxygen and trimix
Automatic dive start/stop
Customizable dive data screens
GPS marking of water entry and exit points
Safety stop alerts
Dive log with SubWave compatibility (Mk3i only)
Cylinder pressure sensor support and multiple cylinder connections (Mk3i only)
Built-in LED flashlight with adjustable brightness for underwater and surface signaling (Mk3i only)
Smartwatch mode
Item
Detail
Mk3i 51mm
Up to 25 days
Mk3i 43mm
Up to 10 days
Mk3 43mm
Up to 10 days
Dive mode
Item
Detail
Mk3i 51mm
Up to 66 hours
Mk3i 43mm & Mk3 43mm
Up to 30 hours
Multi-frequency, multi-GNSS satellite positioning for accurate surface location and navigation
Weather forecast, tide times, sunrise/sunset information
Automatic marking of water entry/exit points
Customizable locations
Barometric altimeter and advanced sensors for precise environmental data
Over 100 sport modes including water sports, outdoor activities, ball games, urban fitness
Skiing modes with global trail maps (2000+ trails), automatic detection of ascent/descent, max speed, distance, temperature
Hiking with built-in navigation maps and turn-by-turn guidance
Strength training with automatic rep counting, heart rate, calorie, and sweat loss estimation; muscle heat map generation via Garmin Connect
24/7 health metrics including heart rate, blood oxygen saturation, stress, sleep, respiration rate, body energy levels
Advanced health data tracking and analysis
Additional details
Offline payments via WeChat Pay and NFC transit cards (Note
Not compatible with Huawei HarmonyOS and Xiaomi Surge OS)
Time zone advisor, world clock, multi-time zone display
Offline music playback with third-party playlist sync
Automatic time calibration via satellite positioning
Garmin Dive App for dive data recording, dive site exploration, data analysis, and photo uploads
Additional details
NFC transit card users
Due to new security controls, refunds are not supported if card balance exceeds 100 RMB; users should spend down balance below 100 RMB before refund application.
LED flashlight and cylinder sensor features are exclusive to Mk3i 51mm model.
Currently incompatible with Huawei HarmonyOS and Xiaomi Surge OS systems.
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