List of Apple Watches

There are thirteen iterations of the Apple Watch.

Apple Watch (1st generation)
Variations
 * Apple Watch
 * Apple Watch Sport
 * Apple Watch Hermès
 * Apple Watch Edition

Hardware Specifications
 * CPU: Apple S1 SiP
 * RAM: 512MB
 * Storage: 8GB
 * Wi-Fi: 802.11 b/g/n (2.4 GHz)
 * Bluetooth 4.0

Battery Specs
 * 38mm
 * Current: 205mAh
 * Power: 0.78Wh
 * Voltage: 3.80V
 * 42mm
 * Current: 246mAh
 * Power: 0.93Wh
 * Voltage: 3.78V

Firmware
 * Initial firmware: 1.0 (12S507), 1.0 (12S507)
 * Last firmware: 4.3.2 (15U70), 4.3.2 (15U70)

Internal Names: Watch1,1, Watch1,2

Apple Watch Series 1
Variations
 * Apple Watch

Hardware Specifications
 * CPU: Apple S1P SiP (Same CPU as the S2 but without the built-in GPS receiver)
 * RAM: 512MB
 * Storage: 8GB
 * Wi-Fi: 802.11 b/g/n (2.4 GHz)
 * Bluetooth 4.0

Battery Specs
 * 38mm
 * Current: 205mAh
 * Power: 0.78Wh
 * Voltage: 3.80V
 * 42mm
 * Current: 246mAh
 * Power: 0.93Wh
 * Voltage: 3.78V

Firmware
 * Initial firmware: 3.0 (14S326), 3.0 (14S326)
 * Last firmware: 6.3 (17U208), 6.3 (17U208)

Internal Names: Watch2,6, Watch2,7

Apple Watch Series 2
Variations
 * Apple Watch
 * Apple Watch Nike
 * Apple Watch Hermès
 * Apple Watch Edition

Hardware Specifications
 * CPU: Apple S2 SiP (Same CPU as the S1P but with the built-in GPS receiver)
 * RAM: 512MB
 * Storage: 8GB
 * Wi-Fi: 802.11 b/g/n (2.4 GHz)
 * Bluetooth 4.0

Battery Specs
 * 38mm
 * Current: 273mAh
 * Power: 1.03Wh
 * Voltage: 3.77V
 * 42mm
 * Current: 334mAh
 * Power: 1.27Wh
 * Voltage: 3.80V

Firmware
 * Initial firmware: 3.0 (14S326), 3.0 (14S326)
 * Last firmware: 6.3 (17U208), 6.3 (17U208)

Internal Names: Watch2,3, Watch2,4

Apple Watch Series 3
Variations
 * Apple Watch
 * Apple Watch Edition
 * Apple Watch Hermès
 * Apple Watch Nike

Hardware Specifications
 * CPU: Apple S3 SiP
 * RAM: 768MB
 * Storage: 8GB (GPS) or 16GB (GPS + Cellular)
 * Wi-Fi: 802.11 b/g/n (2.4 GHz)
 * Bluetooth 4.2
 * Apple W2 Wireless chip.
 * Qualcomm MDM9635 (GPS + Cellular models only)

Battery Specs
 * 38mm (GPS)
 * Current: 262mAh
 * Power: 1.00Wh
 * Voltage: 3.81V
 * 38mm (GPS + Cellular)
 * Current: 279mAh
 * Power: 1.07Wh
 * Voltage: 3.82V
 * 42mm (GPS)
 * Current: 342mAh
 * Power: 1.31Wh
 * Voltage: 3.82V
 * 42mm (GPS + Cellular)
 * Current: 352mAh
 * Power: 1.34Wh
 * Voltage: 3.82V

Firmware
 * Initial firmware: 4.0 (15R610), 4.0 (15R610), 4.0 (15R607), 4.0 (15R607)
 * Last firmware: 8.8.1 (19U512), 8.8.1 (19U512), 8.8.1 (19U512), 8.8.1 (19U512)

Internal Names: Watch3,1, Watch3,2, Watch3,3, Watch3,4

Apple Watch Series 4
Variations
 * Apple Watch
 * Apple Watch Hermès
 * Apple Watch Nike

Hardware Specifications
 * CPU: Apple S4 SiP
 * RAM: 1GB
 * Storage: 16GB
 * Wi-Fi: 802.11 b/g/n (2.4 GHz)
 * Bluetooth 5.0
 * Apple W3 Wireless chip.
 * Intel PMB9955 (GPS + Cellular models only)

Battery Specs
 * 40mm
 * Current: 224.9mAh
 * Power: 0.858Wh
 * Voltage: 3.810V
 * 44mm
 * Current: 291.8mAh
 * Power: 1.113Wh
 * Voltage: 3.814V

Firmware
 * Initial firmware: 5.0 (16R364), 5.0 (16R364), 5.0 (16R364), 5.0 (16R364)
 * Latest public firmware:, , ,
 * Latest beta firmware:, , ,

Internal Names: Watch4,1, Watch4,2, Watch4,3, Watch4,4

Apple Watch Series 5
Variations
 * Apple Watch
 * Apple Watch Nike
 * Apple Watch Hermès
 * Apple Watch Edition

Hardware Specifications
 * CPU: Apple S5 SiP
 * RAM: 1GB
 * Storage: 32GB
 * Wi-Fi: 802.11 b/g/n (2.4 GHz)
 * Bluetooth 5.0
 * Apple W3 Wireless chip.
 * Intel PMB9955 (GPS + Cellular models only)

Battery Specs
 * 40mm
 * Current: 245mAh
 * Power: 0.944Wh
 * Voltage: 3.85V
 * 44mm
 * Current: 296mAh
 * Power: 1.129Wh
 * Voltage: 3.814V

Firmware
 * Initial firmware: 6.0 (17R575), 6.0 (17R575), 6.0 (17R575), 6.0 (17R575)
 * Latest public firmware:, , ,
 * Latest beta firmware:, , ,

Internal Names: Watch5,1, Watch5,2, Watch5,3, Watch5,4

Apple Watch SE
Variations
 * Apple Watch
 * Apple Watch Nike

Hardware Specifications
 * CPU: Apple S5 SiP
 * RAM: ?GB
 * Storage: 32GB
 * Wi-Fi: 802.11 b/g/n (2.4GHz)
 * Bluetooth 5.0
 * Apple W3 Wireless chip.
 * Intel PMB9955 (GPS + Cellular models only)

Battery Specs
 * 40mm
 * Current: 245mAh
 * Power: 0.944Wh
 * Voltage: 3.85V
 * 44mm
 * Current: 296 mAh
 * Power: 1.129 Wh
 * Voltage: 3.184 V

Firmware
 * Initial firmware: 7.0 (18R382), 7.0 (18R382), 7.0 (18R382), 7.0 (18R382)
 * Latest public firmware:, , ,
 * Latest beta firmware:, , ,

Internal Names: Watch5,9, Watch5,10, Watch5,11, Watch5,12

Apple Watch Series 6
Variations
 * Apple Watch
 * Apple Watch Nike
 * Apple Watch Hermès
 * Apple Watch Edition

Hardware Specifications
 * CPU: Apple S6 SiP
 * RAM: ?GB
 * Storage: 32GB
 * Wi-Fi: 802.11 b/g/n (2.4 and 5GHz)
 * Bluetooth 5.0
 * Apple W3 Wireless chip.
 * Intel PMB9955 (GPS + Cellular models only)

Battery Specs
 * 40mm
 * Current: 265.9 mAh
 * Power: 1.024 Wh
 * Voltage: 3.85 V
 * 44mm
 * Current: 303.8 mAh
 * Power: 1.17 Wh
 * Voltage: 3.85 V

Firmware
 * Initial firmware: 7.0 (18R382), 7.0 (18R382), 7.0 (18R382), 7.0 (18R382)
 * Latest public firmware:, , ,
 * Latest beta firmware:, , ,

Internal Names: Watch6,1, Watch6,2, Watch6,3, Watch6,4

Apple Watch Series 7
Variations
 * Apple Watch
 * Apple Watch Nike
 * Apple Watch Hermès
 * Apple Watch Edition

Hardware Specifications
 * CPU: Apple S7 SiP (Same base CPU as S6)
 * RAM: 1GB
 * Storage: 32GB
 * Wi-Fi: 802.11 b/g/n (2.4 and 5GHz)
 * Bluetooth 5.0
 * Apple W3 Wireless chip.
 * PMB9955 LTE Baseband Chipset (GPS + Cellular models only)

Battery Specs
 * 41mm
 * Current: 2.84 mAh
 * Power: 1,094 Wh
 * Voltage: 3.85 V
 * 45mm
 * Current: 309 mAh
 * Power: 1,189 Wh
 * Voltage: 3.85 V

Firmware
 * Initial firmware: 8.0 (19R346), 8.0 (19R346), 8.0 (19R346), 8.0 (19R346)
 * Latest public firmware:, , ,
 * Latest beta firmware:, , ,

Internal Names: Watch6,6, Watch6,7, Watch6,8, Watch6,9

Apple Watch SE
Variations
 * Apple Watch

Hardware Specifications
 * CPU: Apple S8 SiP (Same base CPU as S7 and S6)
 * RAM: 1GB
 * Storage: 32GB
 * Wi-Fi: 802.11 b/g/n (2.4 and 5GHz)
 * Bluetooth 5.3
 * Apple W3 Wireless chip.
 * PMB9955 LTE Baseband Chipset (GPS + Cellular models only)

Battery Specs
 * 40mm
 * Current: 245 mAh
 * Power: ? Wh
 * Voltage: ? V
 * 44mm
 * Current: 296 mAh
 * Power: ? Wh
 * Voltage: ? V

Firmware
 * Initial firmware: 9.0 (20R361), 9.0 (20R361), 9.0 (20R361), 9.0 (20R361)
 * Latest public firmware:, , ,
 * Latest beta firmware:, , ,

Internal Names: Watch6,10, Watch6,11, Watch6,12, Watch6,13

Apple Watch Series 8
Variations
 * Apple Watch
 * Apple Watch Hermès

Hardware Specifications
 * CPU: Apple S8 SiP (Same base CPU as S7 and S6)
 * RAM: 1GB
 * Storage: 32GB
 * Wi-Fi: 802.11 b/g/n (2.4 and 5GHz)
 * Bluetooth 5.3
 * Apple W3 Wireless chip.
 * PMB9955 LTE Baseband Chipset (GPS + Cellular models only)

Battery Specs
 * 41mm
 * Current: 282 mAh
 * Power: ? Wh
 * Voltage: ? V
 * 45mm
 * Current: 308 mAh
 * Power: ? Wh
 * Voltage: ? V

Firmware
 * Initial firmware: 9.0 (20R361), 9.0 (20R361), 9.0 (20R361), 9.0 (20R361)
 * Latest public firmware:, , ,
 * Latest beta firmware:, , ,

Internal Names: Watch6,14, Watch6,15, Watch6,16, Watch6,17

Apple Watch Ultra
Variations
 * Apple Watch

Hardware Specifications
 * CPU: Apple S8 SiP (Same base CPU as S7 and S6)
 * RAM: 1GB
 * Storage: 32GB
 * Wi-Fi: 802.11 b/g/n (2.4 and 5GHz)
 * Bluetooth 5.3
 * Apple W3 Wireless chip.
 * PMB9955 LTE Baseband Chipset

Battery Specs
 * 49mm
 * Current: 542 mAh
 * Power: 2.1 Wh
 * Voltage: 4.47 V

Firmware
 * Initial firmware: 9.0 (20R8363)
 * Latest public firmware:
 * Latest beta firmware:

Internal Names: Watch6,18

Apple Watch Series 9
Variations
 * Apple Watch
 * Apple Watch Hermès

Hardware Specifications
 * CPU: Apple S9 SiP
 * RAM: ?GB
 * Storage: 64GB
 * Wi-Fi: 802.11 b/g/n (2.4 and 5GHz)
 * Bluetooth 5.3
 * Apple W3 Wireless chip.
 * PMB9955 LTE Baseband Chipset (GPS + Cellular models only)

Battery Specs
 * 41mm
 * Current: 282 mAh
 * Power: 1.091 Wh
 * Voltage: 3.869 V
 * 45mm
 * Current: ? mAh
 * Power: ? Wh
 * Voltage: ? V

Firmware
 * Initial firmware: 10.0 (21R355), 10.0 (21R355), 10.0 (21R355), 10.0 (21R355)
 * Latest public firmware:, , ,
 * Latest beta firmware:, , ,

Internal Names: Watch7,1, Watch7,2, Watch7,3, Watch7,4

Apple Watch Ultra 2
Variations
 * Apple Watch

Hardware Specifications
 * CPU: Apple S9 SiP
 * RAM: ?GB
 * Storage: 64GB
 * Wi-Fi: 802.11 b/g/n (2.4 and 5GHz)
 * Bluetooth 5.3
 * Apple W3 Wireless chip.
 * PMB9955 LTE Baseband Chipset

Battery Specs
 * 49mm
 * Current: 564 mAh
 * Power: 2.178 Wh
 * Voltage: 3.862 V

Firmware
 * Initial firmware: 10.0 (21R355)
 * Latest public firmware:
 * Latest beta firmware:

Internal Names: Watch7,5