Apple Watch Series 4
The Apple Watch Series 4 watch is powered by the Apple S4 chipset and ships with watchOS 5.0,. It is equipped with a RAM of 1GB, 16GB internal storage, Retina LTPO OLED Sapphire crystal glass display type, 1.78" display size, NFC support, and 292 mAh battery.
Apple Watch Series 5 Aluminum
The Apple Watch Series 5 Aluminum watch is powered by the Apple S5 chipset and ships with watchOS 6.0,. It is equipped with a RAM of 1GB, 32GB internal storage, Retina LTPO OLED Ion-X strengthened glass display type, 1.78" display size, NFC support, and 296 mAh battery.
Apple Watch Series 5
The Apple Watch Series 5 watch is powered by the Apple S5 chipset and ships with watchOS 6.0,. It is equipped with a RAM of 1GB, 32GB internal storage, Retina LTPO OLED Sapphire crystal glass display type, 1.78" display size, NFC support, and 296 mAh battery.
Apple Watch Edition Series 5
The Apple Watch Edition Series 5 watch is powered by the Apple S5 chipset and ships with watchOS 6.0,. It is equipped with a RAM of 1GB, 32GB internal storage, Retina LTPO OLED Sapphire crystal glass display type, 1.78" display size, NFC support, and 296 mAh battery.
Apple Watch Sport 38mm (1st gen)
The Apple Watch Sport 38mm (1st gen) watch is powered by the Apple S1 (28 nm) chipset and ships with watchOS 1.0,. It is equipped with a RAM of 512GB, 8GB internal storage, Retina OLED Ion-X strengthened glass display type, 1.5" display size, NFC support, and 205 mAh battery.
Apple Watch Sport 42mm (1st gen)
The Apple Watch Sport 42mm (1st gen) watch is powered by the Apple S1 (28 nm) chipset and ships with watchOS 1.0,. It is equipped with a RAM of 512GB, 8GB internal storage, Retina OLED Ion-X strengthened glass display type, 1.65" display size, NFC support, and 250 mAh battery.
Apple Watch 38mm (1st gen)
The Apple Watch 38mm (1st gen) watch is powered by the Apple S1 (28 nm) chipset and ships with watchOS 1.0,. It is equipped with a RAM of 512GB, 8GB internal storage, Retina OLED Sapphire crystal glass display type, 1.5" display size, NFC support, and 205 mAh battery.
Apple Watch 42mm (1st gen)
The Apple Watch 42mm (1st gen) watch is powered by the Apple S1 (28 nm) chipset and ships with watchOS 1.0,. It is equipped with a RAM of 512GB, 8GB internal storage, Retina OLED Sapphire crystal glass display type, 1.65" display size, NFC support, and 250 mAh battery.
Apple Watch Edition 38mm (1st gen)
The Apple Watch Edition 38mm (1st gen) watch is powered by the Apple S1 (28 nm) chipset and ships with watchOS 1.0,. It is equipped with a RAM of 512GB, 8GB internal storage, Retina OLED Sapphire crystal glass display type, 1.5" display size, NFC support, and 205 mAh battery.
Xiaomi Watch S1 Pro
The Xiaomi Watch S1 Pro watch and ships with Proprietary OS. It is equipped with AMOLED 480 x 480 display type, 1.47" display size, NFC support, and 500 mAh battery.