Samsung Galaxy Watch 4 Classic 42mm GPS D0422-2501 NPM

Display

• Type Super AMOLED
  
• Size 1.4 inches
  
• Resolution 450 x 450 pixels (~321 ppi density)
  
• Protection Corning Gorilla Glass DX+
  
• Always-on display

Battery

• Type Li-Ion 361 mAh, non-removable
  
• Charging Qi wireless charging

Sensors

• Accelerometer
• gyro
• heart rate
• barometer
• Natural language commands and dictation
  
• Samsung Pay