Garmin D2 Mach 2 vs Garmin Descent G1 comparison

Show Only Differences Highlight Differences	Garmin D2 Mach 2	Garmin Descent G1
key specs
Display Size	35mm	-
Dial Shape	Round	Round
Ideal For	Unisex	Unisex
Strap Colour	-	Graphite Silicone
Strap Material	-	Silicone
Display Type	-	MIP
general
Brand	Garmin	Garmin
Model	D2 Mach 2	Descent G1
Release date	October 22, 2025	March 3, 2022
Model Name	Garmin D2 Mach 2	Descent G1
Dial Colour	Black	-
Dial Shape	Round	Round
Water Resistant	10 ATM	IP68
Ideal For	Unisex	Unisex
Strap Colour	-	Graphite Silicone
Strap Material	-	Silicone
Size	-	Large
Interchangeable Strap	-	Yes
Water Resistance Depth	-	100
dimensions
Width	47	45.5
Height	47	45.5
Thickness	13.8	15.2
Weight (g)	73.00	61.00
product details
Talk time	14	-
Sensor	-	Depth Sensor, Accelerometer, Thermometer, Gyroscope, Compass, Barometric altimeter, Pulse Ox Blood Oxygen Saturation Monitor ,Galileo, GPS, GLONASS
Compatible Device	-	iPhone, Android
Notification	-	Yes
Battery Life	-	Up to 25 hours (Dive Mode), Up to 21 days/ 4months with solar in Smartwatch
Charge Time	-	3 hours per day
Charger Type	-	Solar
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
Wi-Fi	Yes	-
GPS	Yes	Yes
Third Party App Support	Yes	-
Call Features	Yes	Call management
Other Connectivity Features	Glonass, Galileo, Beidou, QZSS	-
camera and display features
Display Resolution	454 x 454	-
Display Size	35mm	-
Display Type	-	MIP
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Compass	Yes	Yes
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	-
Altimeter	-	Yes
Chronograph	-	No
Other Fitness Features	-	Fitness age, Respiration rate, Body Battery, Move IQ, Sleep Score, Hydration, Relaxation breathing timer

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