Found my old cool watch, but broken | amazfit GTR2

Specifications
Design
Color Obsidian Black
Size (round) 46.4x46.4x10.7mm
Weight
Sport model-31.5g (without strap)
Body Sport-Aluminum alloy
Buttons 2 buttons
Waterproofing Grade 5ATM8
Screen
Material AMOLED
Size 1.39 inches
Resolution 454x454
PPI 326
Touch Screen Tempered glass
anti-fingerprint coating
ODLC coating
Endurance
Battery Capacity 471 mAh (typical value)
Charging Method Magnetic Charging Stand
Charging Time About 2.5 hours
Typical Usage Battery Life 14 days9
Basic Usage Battery Life 38 days9
Heavy Usage Battery Life 6.5 days9
Sensor
Health
Self-developed BioTracker™ 2 PPG
(support blood-oxygen) biological data sensor
Movement
Air pressure sensor, Acceleration sensor, Gyroscope sensor, 3-axis geomagnetic sensor,
Ambient light sensor
Connection Bluetooth 5.0
WLAN 2.4GHz16
Positioning GPS + GLONASS
Strap
Material Silicon or Leather, Quick release
Width 22mm
Clasp Classic Pin Buckle
Speaker Support
Microphone Support
Linear Motor Support
Packing List Watch body (including standard strap) / charging base / instruction manual
Supported Devices Android 5.0 or iOS 10.0 and above
Application Zepp App
00:00 - Specification
00:10 - Package view
01:00 - Review
02:04 - Disassembling