• 46mm

• Height: 46mm

• Width: 39mm

• Depth: 9.7mm

• 416 by 496 pixels

• 1220 sq mm display area

• Weight (aluminum, GPS): 37.8 grams

• Weight (aluminum, GPS + Cellular): 36.9 grams

• Weight (titanium): 43.1 grams

• Fits 140–245mm wrists

• 42mm

• Height: 42mm

• Width: 36mm

• Depth: 9.7mm

• 374 by 446 pixels

• 989 sq mm display area

• Weight (aluminum, GPS): 30.3 grams

• Weight (aluminum, GPS + Cellular): 29.7 grams

• Weight (titanium): 34.6 grams

• Fits 130–200mm wrists

Hardware and Buttons

• Display

• Digital Crown

• Microphone with Voice Isolation

• Side button

• Band release button

• Electrical heart sensor

• Speaker/air vent

• Blood oxygen sensor and optical heart sensor

Controls

• Digital Crown with haptic feedback

• Side button

• Double tap and wrist flick gestures

• Siri with on‑device processing

Chip

• S10 chip with 64‑bit dual-core processor

• 4‑core Neural Engine

• 64GB capacity

Sensors

• Electrical heart sensor

• Third‑generation optical heart sensor

• Blood oxygen sensor1

• Temperature sensor2

• Compass

• Always‑on altimeter

• High‑g accelerometer

• High dynamic range gyroscope

• Ambient light sensor

• Depth gauge to 6 meters

• Water temperature sensor