Smartwatch Amazfit T-Rex 3 Lava AMOLED 1.5″ GPS 700 mAh

The Amazfit T-Rex 3 Lava is a rugged smartwatch with a 1.5″ AMOLED display (480 × 480 px) and built-in GPS. Housed in a military-grade body with stainless steel and polymer construction and an orange silicone band, the watch is waterproof to 100 m (10 ATM) and weighs 68.3 g. It runs Zepp OS, includes Bluetooth 5.2, NFC for Zepp Pay, a 700 mAh battery, and sensors for heart rate, accelerometer and gyroscope to support activity and outdoor tracking.

Advantages

The large 1.5″ AMOLED screen reaches up to 2000 cd/m² for clear visibility in bright conditions and features Glove Mode and night display colors for low-light reading. The housing is designed to withstand extreme temperatures, shock, humidity and immersion to 100 m. Dual-band GPS with multi-system support provides fast satellite acquisition for accurate navigation. The watch offers long battery life—over three weeks in typical use—ample storage for apps and watch faces, and contactless payments via Zepp Pay with NFC. Data privacy controls and recyclable, plastic-free packaging are included.

Suitable for

• Outdoor activities: hiking, camping, mountaineering
• Water sports and swimming (waterproof to 100 m / 10 ATM)
• Everyday fitness tracking and strength training with auto exercise detection
• Navigation and route tracking using multi-system dual-band GPS
• Contactless payments and daily smart features

Key specifications

• Display: 1.5″ AMOLED, 480 × 480 px, peak 2000 cd/m²
• Body: Stainless steel + polymer, round shape
• Water resistance: 100 m (10 ATM)
• Battery: built-in 700 mAh (up to ~648 h standby per manufacturer data)
• Connectivity: GPS (multi-system, dual-band), Bluetooth 5.2, NFC
• Sensors: heart rate, accelerometer, gyroscope; built-in microphone
• Memory & OS: Zepp OS, 64 MB RAM, 32 GB flash (from product data)
• Weight: 68.3 g; band: orange silicone

How to use

Charge the watch using a USB Type-C cable with the included charging base. Pair the Amazfit T-Rex 3 with the Zepp App to configure profiles, download watch faces and mini apps, set up strength training templates, and bind bank cards for Zepp Pay. Use the touchscreen for interaction; enable Glove Mode when wearing gloves. Choose sport modes on the watch for activity tracking, start GPS-based routes for navigation, and review detailed metrics in the Zepp App after each session.

Usage recommendations

For best battery life, enable power-saving modes in the Zepp App, limit always-on display use, and update GPS and firmware regularly. Rinse the watch with fresh water after exposure to salt water. Keep GPS location storage off if you prefer not to retain location history.