Amazfit T-Rex Dual Solar

Works with: iPhone and Android
Display: AMOLED, 1.32 in
Case sizes: 51.4 mm
Battery: 25 days
GPS battery: 2 days
Water resistance: 10 ATM
Weight: 69 g
Cellular: No

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Amazfit T-Rex Dual Solar at a glance

Battery

Weeks between charges

Up to 25 days in smartwatch mode. 48 hours with GPS. Solar charging.
GPS

Multi-band GPS

Maps on the wrist. Runs and rides without your phone.
Display

AMOLED, 1.32 in

1.32 in, up to 3,000 nits, always-on option and touchscreen.
Health

Blood pressure readings

Measures blood pressure, blood oxygen, skin temperature and HRV.
Phone & smart

iPhone and Android

Payments, music and calls.
Build

10 ATM water rating

69 g. Sapphire lens.

Amazfit T-Rex Dual Solar full specifications

Overview

Brand	Amazfit
Model	T-Rex Dual Solar
Series	T-Rex
Colours	Basalt Black

Platform & apps

Works with iPhone and Android phones, running Zepp OS.

No subscription needed.

Operating system	Zepp OS
Works with	iPhone and Android
Minimum iOS	iOS 15
Minimum Android	Android 7
RAM	64 MB
Storage	64 GB
Subscription	Not needed

Display

A bright, colourful screen that looks like a phone display.

1.32 in, up to 3,000 nits, always-on option and touchscreen.

Display type	AMOLED
Screen size	1.32 in
Resolution	466 x 466
Pixel density	353 ppi
Peak brightness	3,000 nits
Colour display	Yes
Always-on display	Yes
Touchscreen	Yes
Controls	touchscreen, buttons

Design & durability

A 51.4 mm case weighing 69 g.

Rated 10 ATM: fine for swimming, snorkelling and water sports. A sapphire lens resists scratches.

Case sizes	51.4 mm
Case shape	Round
Thickness	14.5 mm
Weight (case)	69 g
Weight with band	94.5 g
Case material	fiber-reinforced polymer
Bezel material	Grade 5 Titanium
Lens	Sapphire Glass
Back material	Grade 5 Titanium & glass-ceramic
Band material	silicone
Band width	26 mm
Band fitting	26mm Quick Release
Fits wrists	145-215 mm
Water resistance	10 ATM
Water standard	ISO 22810:2010
Operating temperature	-30 °C

Battery

Weeks between charges: up to 25 days in smartwatch mode, more with solar.

With GPS on, up to 48 hours, or 41 hours in multi-band mode. Makers test with their own settings, so treat these as best-case figures.

Battery (smartwatch mode)	25 days
Battery (GPS)	2 days
Battery (multi-band GPS)	41 hours
All battery modes	Smartwatch: 25 days; Multi-band GPS: 41 hours; GPS: 2 days; Max battery GPS: 40 days; Battery saver: 60 days; With solar: 34 days; With solar: 51 days
Solar charging	Yes
Battery capacity	660 mAh
Battery type	LiPo
Charging	puck
Full charge time	120 min

GPS & navigation

Built-in multi-band GPS for accurate tracks, even near tall buildings and trees.

Maps come preloaded on the watch.

GPS	Built-in
Multi-band GPS	Yes
Satellite systems	GPS
Automatic GNSS mode	Yes
Maps	Preloaded maps
Navigation features	turn-by-turn, back-to-start, round-trip routing, waypoints, course import, point of interest search, auto-rerouting
Ski maps	Yes

Health & sensors

A health-focused watch: it measures blood pressure, blood oxygen, skin temperature and HRV.

For sleep, it offers a nightly sleep score.

Sensors	optical HR, SpO2, skin temperature, accelerometer, gyroscope, barometer, compass, ambient light, thermometer
Heart-rate sensor	BioTracker 6.0
Heart-rate tracking	24/7
High/low heart-rate alerts	Yes
Heart-rate variability	Yes
Blood oxygen (SpO2)	Yes
Skin temperature	Yes
Respiration rate	Yes
Blood pressure	sensor
Sleep tracking	Sleep score
Sleep apnea alerts	Yes
Stress tracking	Yes
Energy score	BioCharge

Safety

Fall detection	No
Live tracking	Yes

Training

Built for training, with the metrics serious athletes use.

180+ sport profiles. It adds a triathlon mode.

Sport profiles	180
Auto activity detection	Yes
Triathlon / multisport	Yes
Swim tracking	Pool and open water
Training metrics	training load, training effect, VO2 max, recovery time
External sensors	Bluetooth HR strap, power meter, foot pod, speed/cadence

Smart features

Smart extras include contactless payments, music storage and calls on the wrist.

Voice assistant: Zepp Flow.

Notifications	Yes
Message replies	Android
Calls on the watch	Yes
Speaker	Yes
Microphone	Yes
Voice assistant	Zepp Flow
Contactless payments	Yes
Cellular	None
eSIM	No
Music storage	Yes
Wi-Fi	Wi-Fi 2.4GHz
Bluetooth	Bluetooth 5.2
Find my phone	Yes
Flashlight	Yes

Diving, golf & more

It works as a dive computer for single-gas scuba.

Rated to 50 m.

Specialist modes	golf, ski, hunting
Diving	Single-gas dive computer
Max dive depth	50 m
Dive standard	EN 13319:2000

Specs compiled from Amazfit's product pages and datasheets, with some identifiers from Open Icecat. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.