Apple Watch SE - Specification

Release year: 2020
Network:  GPS or GPS + Cellular (LTE/4G)
Material: Glass front, ceramic/sapphire glass back, aluminum frame
Screen: 40 mm
1,57” Retina LTPO OLED, 1000 nits (peak)
394 x 324 pixels (~326 ppi density)
Ion-X reinforced glass

44 mm
1,78” Retina LTPO OLED, 1000 nits (peak)
448 x 368 pixels (~326 ppi density)
Ion-X reinforced glass
Processor:

Apple S5
Dual core
PowerVR
Remind: 32GB 1GB RAM
Bacteria: Li-Ion, not removable
Wireless
Other:

Accelerometer, gyro, heart rate (2nd generation), barometer, always-on altimeter, compass
802.11 Wi-Fi b / g / n
Bluetooth 5.0
NFC
eSIM
Measure: 40mm - 4cm x 3,4cm x 1,04cm
44mm – 4,4cm x 3,8cm x 1,04cm
Weight: 40mm – 30,7g
44mm – 36,4g