Apple Watch SE

44mm or 40mm case size

Retina display

GPS + Cellular⁸

GPS

High and low heart rate notifications

Irregular heart rhythm notification³

Supports Family Setup¹¹
(GPS + Cellular models)

Water resistant 50 meters¹

Apple Watch SE

40mm or 44mm case; over 30 percent larger display²

Retina LTPO OLED display, 1000 nits

Ion-X glass display

GPS and GPS + Cellular models

S5 SiP with 64-bit dual-core processor; W3 wireless chip

Digital Crown with haptic feedback

Optical heart sensor

High and low heart rate notifications and irregular heart rhythm notification³

International emergency calling,⁴Emergency SOS,⁵ and fall detection

Water resistant 50 meters⁶

LTE and UMTS,⁷ Wi-Fi, and Bluetooth 5.0

GPS/GNSS, compass, and always-on altimeter

50 percent louder speaker²; built-in mic

32GB capacity