Apple Watch Series 7

Dimensions- 45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)
Weight- 32 g (41mm), 38.8 g (45mm) (1.13 oz)
Build- Glass front, ceramic/sapphire crystal back, aluminum frame
SIM- eSIM
IP6X certified
50m water resistant
ECG certified (region dependent SW application; HW available on all models)
DISPLAY Type- Retina LTPO OLED, 1000 nits (peak)
Size- 1.9 inches
Resolution- 484 x 396 pixels (~326 ppi density)
Protection- Ion-X strengthened glass
Always-on display
PLATFORM
OS- watchOS 8.0, upgradable to 9.4
Chipset- Apple S7
CPU- Dual-core
GPU- PowerVR
MEMORY Card slot- No
Internal Memory- 32GB 1GB RAM
eMMC 5.1
CAMERA- No
SOUND Loudspeaker- Yes
3.5mm jack- No

COMMS
WLAN- Wi-Fi 802.11 b/g/n, dual-band
Bluetooth- 5.0, A2DP, LE
Positioning- GPS, GLONASS, GALILEO, QZSS, BDS
NFC- Yes
Radio- No
USB- No

FEATURES
Sensors Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max
Natural language commands and dictation (talking mode)
Ultra Wideband (UWB) support
BATTERY Type- Li-Ion 309 mAh (1.19 Wh), non-removable
Charging- Wireless