Amazfit T-Rex Ultra 2 51mm Smartwatch - Black Magma - angled view
Amazfit T-Rex Ultra 2 51mm Smartwatch - Black Magma - front view, watch face
Amazfit T-Rex Ultra 2 51mm Smartwatch - Black Magma - map navigation on the trail
Amazfit T-Rex Ultra 2 51mm Smartwatch - Black Magma - on the wrist, trail running
Amazfit T-Rex Ultra 2 51mm Smartwatch - Black Magma - watch face, mountain backdrop
Amazfit T-Rex Ultra 2 51mm Smartwatch - Black Magma - depth screen underwater
Amazfit T-Rex Ultra 2 51mm Smartwatch - Black Magma - low temperature mode
Amazfit T-Rex Ultra 2 51mm Smartwatch - Black Magma - what's in the box
AmazfitProduct code 146-W2550GL2N

Amazfit T-Rex Ultra 2 51mm Smartwatch

€549.90+ €6.99 delivery
In stock
Delivered nationwide Delivery €6.99, so €556.89 in total
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Description

Amazfit T-Rex Ultra 2 51mm Smartwatch, Black Magma · product code 146-W2550GL2N

The Amazfit T-Rex Ultra 2 is the toughest watch Amazfit makes: a 51mm case with grade 5 titanium bezel, buttons and back panel, sapphire glass over a 1.5-inch 3,000-nit AMOLED display, a 10 ATM rating with dive certification to 45 metres, and a low temperature mode that keeps it working down to -30°C. Black Magma pairs the titanium-coloured bezel with a black and orange strap.

Full-colour base maps come preloaded, with contour, ski and 40,000 golf course maps to download, and routes can be planned point to point on the wrist with six satellite systems and dual-band positioning doing the tracking. The 870mAh battery lasts up to 30 days of typical use, 50 hours of accurate GPS or 177 hours in GPS Max mode. A two-colour flashlight, speaker and microphone, Zepp Pay NFC and 64GB of storage round it off.

At a glance

  • Display1.5-inch sapphire AMOLED
  • BatteryUp to 30 days
  • MapsPreloaded, full colour
  • Water rating10 ATM, dive certified
  • BuildGrade 5 titanium, 51mm
  • ColdWorks to -30°C
See full specifications
Full description

Where the T-Rex 3 Pro is the all-rounder, the Ultra 2 is built for expedition-length days: more battery, more titanium, more map storage and a dedicated trail-running mode with up to 44 hours of tracking. The MIL-STD-810H test report covers heat, cold, shock and humidity.

On the health side, the BioTracker 6.0 sensor measures heart rate, blood oxygen, stress and skin temperature around the clock, with sleep staging, PAI and BioCharge energy tracking in the Zepp app. Zepp OS 5 brings Zepp Flow voice control, Zepp Coach plans and sync with Strava, komoot, TrainingPeaks, Apple Health and Google Fit.

What stands out

Grade 5 titanium bezel, buttons and back

A 51mm case built to MIL-STD-810H, rated 10 ATM and certified for freediving and scuba to 45 metres.

Preloaded full-colour maps

Base maps on the watch, with contour, ski and golf course maps to download, plus POI search and on-watch route planning.

Up to 30 days of battery

870mAh cell: 15 days heavy use, 50 hours of accurate GPS, 90 hours power-saving and 177 hours in GPS Max mode.

Low temperature mode

Essential functions keep running down to -30°C, with up to 40 hours of GPS tracking in the cold.

1.5-inch sapphire AMOLED

480 x 480 panel peaking at 3,000 nits under sapphire glass.

Two-colour flashlight

White light in four brightness levels or green light, with Boost Mode and SOS.

64GB storage, calls and payments

Room for maps and music, Bluetooth calling through the speaker and microphone, and Zepp Pay NFC.

Key features

  • Type: Rugged expedition GPS smartwatch, 51mm case
  • Display: 1.5-inch AMOLED, 480 x 480, sapphire glass, 3,000 nits peak
  • Build: Grade 5 titanium bezel, buttons and back panel; MIL-STD-810H
  • Water resistance: 10 ATM, dive certified to 45 m
  • Positioning: 6 satellite systems, dual-band; preloaded full-colour base maps
  • Battery: 870mAh; up to 30 days typical, 15 days heavy, 50 h accurate GPS, 177 h GPS Max
  • Low temperature mode: Down to -30°C
  • Storage: 64GB total, 26.7GB available
  • Sports: 187 modes, trail running mode, Zepp Coach, PeakBeats
  • Health: Heart rate, SpO2, stress, skin temperature, sleep, PAI, BioCharge
  • Connectivity: Wi-Fi 2.4GHz, Bluetooth 5.2, NFC (Zepp Pay), speaker and microphone
  • In the box: Watch with 26mm strap, magnetic charging head, instruction manual
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How it compares

Compared with 3 similar models, from €299.99 to €549.90.

Specifications

Amazfit T-Rex Ultra 2 51mm Smartwatch, product code 146-W2550GL2N.

Product overview

BrandAmazfit
ModelT-Rex Ultra 2 (W2550GL2N)
Product typeRugged GPS smartwatch
ColourBlack Magma
Product code146-W2550GL2N

Performance

Battery capacity870 mAh rated

Display

Display1.5-inch AMOLED, 480 x 480, 322 ppi, peak brightness up to 3,000 nits
Screen glassSapphire glass

Sound

Speaker and microphoneYes; Bluetooth calling, voice memos and Zepp Flow voice control

Gaming

Third-party syncStrava, Relive, Runkeeper, adidas Running, komoot, TrainingPeaks, Apple Health, Google Fit, intervals.icu, Treinus

Connectivity

Sports modes187, including HYROX, diving and winter sports; automatic recognition of 25 strength-training and 8 sports movements
ConnectivityWi-Fi 2.4GHz, Bluetooth 5.2 and BLE

Functions and programmes

Buttons4
Low temperature modeUp to 40 h with GPS on, 32 days with GPS off; operates down to -30°C

Dimensions and installation

Case dimensions51 x 51 x 14.3 mm
Weight89.2 g with strap

More details

CaseFibre-reinforced polymer; grade 5 titanium bezel, buttons and back panel
Water resistance10 ATM (ISO 22810:2010, up to 100 m)
Diving certificationFreediving and recreational scuba to 45 m (EN 13319:2000, ISO 6425:2018)
Military standardMIL-STD-810H-2019
Battery life, typical useUp to 30 days
Battery life, heavy useUp to 15 days; always-on display up to 10 days
Battery life, GPSAccurate mode up to 50 h; power-saving 90 h; GPS Max 177 h; trail running 44 h normal / 30 h heavy
Positioning6 satellite positioning systems, dual-band, circularly polarised GPS antenna
Maps and navigationPreloaded full-colour base maps; downloadable contour, ski and alpine maps; 40,000+ golf course maps; on-watch route planning, POI search, auto-rerouting, round-trip routes, waypoint reminders
Storage64GB total, 26.7GB available
Health sensorBioTracker 6.0 PPG biometric sensor (5PD + 2LED)
Other sensorsAccelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient light sensor, temperature sensor
Health tracking24-hour heart rate, blood oxygen, stress and skin temperature; sleep stages, naps and breathing quality; PAI; BioCharge; breathing exercises
FlashlightBuilt-in two-colour LED, 4 white brightness levels and 1 green mode, Boost Mode, SOS signal
PaymentsZepp Pay NFC (up to 8 cards, EU and UK)
Operating systemZepp OS 5; Zepp app on Android 7.0 or iOS 15.0 and above
StrapSilicone, 26 mm quick release, fits 145 to 215 mm wrists, classic pin buckle
ChargingMagnetic charging head (USB-C compatible); USB-C cable not included
In the boxSmartwatch with standard strap, magnetic charging head, instruction manual

Reviews

Amazfit T-Rex Ultra 2 51mm Smartwatch in Black Magma.

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Delivery & returns

Delivery

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Recycling your old electricals

Recycling your old electricals

Waste Electrical and Electronic Equipment (WEEE) is taken back free of charge on a one-for-one, like-for-like basis. Waste batteries including rechargeable batteries are taken back free of charge. You are not obliged to make any purchase when returning old batteries. Each local authority must also accept household WEEE and small batteries free of charge at its recycling facilities. All WEEE and waste batteries must be recycled and should not be placed in any of your household wheelie bins. Make sure you always recycle all your old electrical goods and batteries.

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