Description

Built for recreational or technical scuba diving and freediving, the Garmin Descent Mk3i dive computer boasts a 200-meter dive-rated case, metal leakproof inductive buttons and multiple dive modes.

51 mm average battery life:

43 mm average battery life:

Specifications

Brand: Garmin
Best Use: Scuba Diving
Battery Type: Lithium Ion
Display Size: 1.4 inches, 1.2 inches
Illumination: Luminous Face
Altimeter: Pressure-based
Compass: Yes
GPS/Satellite Detectable: Yes
HRM Included/Integrated: Yes
Heart Rate Sensor Type: Wrist-based

Show all specifications (48)

Average Heart Rate: Yes
Pulse Oximeter: Yes
Heart Rate Target Zone(s): Yes
VO2 Max Estimate: Yes
Recovery Advising: Yes
Tracks Steps: Yes
Pedometer Type: Digital 3-axis Accelerometer
Pace Alert: Yes
Interval Training: Yes
Tracks Calories Burned: Yes
Water-Resistant Depth: 200 meters
Pool Lap Recognition: Yes
Stroke Recognition: Yes
Sleep Tracking: Yes
Alarm: Yes
Time Display: Yes
Stopwatch: Yes
Visual Map Display: Yes
Basemap: Yes
Preloaded Map: Road / Topo
Programmable Routes: Yes
Number of Routes: 50
Number of Waypoints: 500
Customization: Apps, Data Fields, Watch Faces, Widgets
Smart Device Notifications: Yes
Data Exchange: ANT+, Bluetooth
Compatible Fitness Accessories: Heart Rate Monitor, Cadence Sensor, Power Meter
Gender: Unisex
Smartwatch: up to 25 days (10 days always-on)
Battery saver watch mode: up to 31 days
GPS only: up to 76 hours (56 hours always-on )
All satellite systems: up to 55 hours (43 hours always-on)
All satellite systems + multi-band: up to 48 hours (38 hours always-on)
All satellite systems + music: up to 17 hours
Max battery GPS: up to 118 hours
Expedition GPS: up to 24 days
Dive mode: up to 66 hours
Dive mode with air integration: up to 40 hours

Average Battery Life: Smartwatch: up to 25 days; Battery saver watch mode: up to 31 days; GPS only: up to 76 hours ; All satellite systems: up to 55 hours; Dive mode: up to 66 hours, Smartwatch: up to 10 days; Battery saver watch mode: up to 12 days; GPS only: up to 28 hours; All satellite systems: up to 20 hours; Dive mode: up to 30 hours

Features

Features a stunning AMOLED (active-matrix organic light-emitting diode) display with scratch-resistant sapphire lens
51 mm size features a 1.4 in. AMOLED display, 51 mm titanium bezel and optional titanium bracelet (titanium bracelet not included)
43 mm size features a stunning 1.2 in. AMOLED display and 43 mm stainless steel bezel; sized for smaller wrists
Dive-first design with 200-meter dive-rated case, metal leakproof inductive buttons and multiple dive modes for recreational to technical scuba diving and freediving
Enhanced SubWave sonar technology provides the ability to exchange preset diver-to-diver messages up to 30 meters (available with software v.15.70 or later)
Also supports monitoring of tank pressures and depth for up to 8 networked divers, within a range of 10 meters, when paired with the Descent T2 transceiver (not included)
DiveView maps offer bathymetric depth contours and more than 4,000 dive sites to help you find where to dive and get oriented
Multi-band GPS technology provides superior positional accuracy while you’re on the surface, letting you mark your entry and exit points; GPS tracking does not work underwater
Built-in ABC sensors—including a 3-axis underwater compass—help navigate every part of your dive from entry to exit
Dive logs lets you store and review data from up to 200 dives right on your wrist
Dive logs automatically sync with the Garmin Dive app on your compatible smartphone, allowing you to share and review data, track gear, post photos, take notes and more
51 mm size has an LED flashlight for visibility in low-light conditions—above or below water—bright, steady beam in red or white light; variable intensities; strobe modes
This dive computer is designed to help maximize your preparation for the physical and mental challenges of diving
Dive readiness tool, developed by Garmin, shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body’s overall preparedness for diving
This helps you make better-informed dive plan decisions (data presented is intended to be a close estimation of metrics tracked)
Built-in sports apps help support your active lifestyle, offering fitness and training features that provide actionable insights for building strength and endurance
When you’re ashore, the Descent Mk3i supports Garmin Pay contactless payments, music storage and smart notifications to keep you connected; compatible smartphone required
Get 24/7 health and wellness monitoring with wrist-based heart rate, advanced sleep monitoring, respiration tracking, Pulse Ox and more
This is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries
51 mm battery performance: up to 25 days in smartwatch mode and up to 66 hours in dive mode so you can dive without worrying about battery life and go longer between recharges
43 mm battery performance: up to 10 days in smartwatch mode and up to 30 hours in dive mode so you can dive without worrying about battery life and go longer between recharges

Shipping & Returns

Free shipping on every order in the US.
Orders are processed within 1–2 business days (Monday to Friday) and ship via UPS or FedEx with tracking. Estimated delivery: 2–3 business days.
30-day returns. Contact us within 30 days of receipt to start a return.

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