Body:

• Dimensions: 40 x 34 x 10.7 mm
• Weight: 26.4 g
• Build: Glass front, plastic/sapphire crystal back, aluminum frame
• SIM: No
• Water Resistance: 50m

Display:

• Type: Retina LTPO OLED, 1000 nits (peak)
• Size: 1.57 inches
• Resolution: 394 x 324 pixels
• Protection: Ion-X strengthened glass

Platform:

• OS: watchOS 9.0, upgradable to watchOS 11
• Chipset: Apple S8
• CPU: Dual-core
• GPU: PowerVR

Memory:

• Card Slot: No
• Internal: 32GB 1GB RAM

Sound:

• Loudspeaker: Yes
• 3.5mm jack: No

Communications:

• WLAN: Wi-Fi 802.11 b/g/n
• Bluetooth: 5.3, A2DP, LE
• Positioning: Yes, GLONASS, GALILEO, QZSS
• NFC: Yes
• Radio: No
• USB: No

Features:

• Sensors: Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass

Battery:

• Type: Li-Ion 245 mAh, non-removable
• Charging: Wireless