Garmin Descent Mk3i (43/51 mm) Diving Computer Smart Watch
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Garmin Descent Mk3i (43/51 mm) Diving Computer Smart Watch
The Descent MK3 series is Garmin's advanced diving/outdoor watch, integrating diving-specific functions with everyday outdoor/fitness features.
The MK3i version has a gas pressure sensor transmission function (supports GDC™ sensor connection), which is very suitable for diving enthusiasts.
The MK3 (43 mm) offers a more compact size option with the same comprehensive features.
🐠 Deep diving/diving function
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Supports multiple diving modes: single gas, mixed gas, free diving, CCR/AP diving, etc.
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Depth display and true pressure/ascent rate monitoring
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GDC™ sensor support (MK3i) allows real-time display of tank pressure
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Automatic dive/return mode switching and gas management function
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EN13319 depth sensor standard compliant
🏔 Outdoors/Sports and Navigation
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GPS / GLONASS / Galileo multi-satellite positioning support
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Offline Maps and Directions
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Multi-sports mode: running, walking, mountaineering, swimming, etc.
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Training analysis: VO₂ Max, training load, recovery time
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Health monitoring functions: all-day heart rate, blood oxygen, sleep, stress, Body Battery, etc.
🌈 Display/Design
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High-resolution color display
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The case material is a reinforced fiber/metal combination
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Mirror is sapphire glass
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Water resistance rating supports diving depths equivalent to 10 ATM or higher
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Quick-release strap design, suitable for diving
🔋 Battery life
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Smart watch/daily mode battery life can reach multiple days
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Long-lasting use time in GPS/diving mode
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Power saving/hybrid mode to extend service life
🧩 Specifications Overview
| project | MK3i 51 mm | MK3 43 mm |
|---|---|---|
| Dive sensor support | GDC sensor tank pressure support | No GDC support |
| Watch body size | 51 mm large design | 43 mm smaller design |
| weight | Higher (including strap) | Lighter |
| Display quality | High-resolution color display | Same resolution ratio display |
| Quick-release strap | Yes | Yes |
| Waterproof/diving rating | Supports multiple diving modes and depths | Same diving support |
| Sensor Group | GPS, heart rate, blood oxygen, pressure, temperature, compass, etc. | same |
| Battery life | Long battery life design | Slightly lower compared to functional capacity |
📦 Package Contents
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Descent MK3 / MK3i Smart Sports Diving Watch
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Original charging/transmission cable
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Diving / Safety / Instructions
🏷 Reasons to buy
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A watch that combines diving, outdoor activities, sports and health
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MK3i supports the cylinder pressure sensor (GDC) function, making diving more advanced
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Two sizes available: 51 mm for large surface and 43 mm for lightweight
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Rugged design + long-lasting battery + multi-satellite navigation
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Comprehensive health and fitness tracking features, suitable for both daily use and diving
| colour |
010-02857-04 Stainless Steel - 43mm, 010-02857-14 Graphite Gray - 43mm, 010-02857-24 Bronze - 43mm, 010-02857-34 Graphite Gray - 51mm |
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