Apple Watch Series 2 42mm
Launch: 2016, September. Released 2016, December
Network: No cellular connectivity
OS: watchOS 3.0, upgradable to 6.2.8
Display: Retina OLED, 1000 nits (peak)
Chipset: Apple S2 (16 nm)
Battery: Li-Ion 334 mAh (1.27 Wh), non-removable
Models: A1758