There are seventeen iterations of the Apple Watch.

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
  • Capacity: 205mAh
  • Power: 0.78Wh
  • Voltage: 3.80V
• 42mm
  • Capacity: 246mAh
  • Power: 0.93Wh
  • Voltage: 3.78V

Firmware

• Initial firmware: 1.0 (12S507), 1.0 (12S507)
• Last firmware:
  • When paired with iPhone 5 or iPhone 5c: 3.2.3 (14V753), 3.2.3 (14V753)
  • Otherwise: 4.3.2 (15U70), 4.3.2 (15U70)

Internal Names: Watch1,1, Watch1,2

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
  • Capacity: 205mAh
  • Power: 0.78Wh
  • Voltage: 3.80V
• 42mm
  • Capacity: 246mAh
  • Power: 0.93Wh
  • Voltage: 3.78V

Firmware

• Initial firmware: 3.0 (14S326), 3.0 (14S326)
• Last firmware:
  • When paired with iPhone 5 or iPhone 5c: 3.2.3 (14V753), 3.2.3 (14V753)
  • When paired with iPhone 5s, iPhone 6, or iPhone 6 Plus: 5.3.10 (16U711), 5.3.10 (16U711)
  • Otherwise: 6.3.1 (17U224), 6.3.1 (17U224)

Internal Names: Watch2,6, Watch2,7

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
  • Capacity: 273mAh
  • Power: 1.03Wh
  • Voltage: 3.77V
• 42mm
  • Capacity: 334mAh
  • Power: 1.27Wh
  • Voltage: 3.80V

Firmware

• Initial firmware: 3.0 (14S326), 3.0 (14S326)
• Last firmware:
  • When paired with iPhone 5 or iPhone 5c: 3.2.3 (14V753), 3.2.3 (14V753)
  • When paired with iPhone 5s, iPhone 6, or iPhone 6 Plus: 5.3.10 (16U711), 5.3.10 (16U711)
  • Otherwise: 6.3.1 (17U224), 6.3.1 (17U224)

Internal Names: Watch2,3, Watch2,4

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

Firmware

• Initial firmware: 4.0 (15R610), 4.0 (15R610), 4.0 (15R607), 4.0 (15R607)
• Last firmware:
  • When paired with iPhone 5s, iPhone 6, or iPhone 6 Plus: 5.3.10 (16U711), 5.3.10 (16U711), 5.3.10 (16U711), 5.3.10 (16U711)
  • Otherwise: 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526)

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

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
  • Capacity: 224.9mAh
  • Power: 0.858Wh
  • Voltage: 3.810V
• 44mm
  • Capacity: 291.8mAh
  • Power: 1.113Wh
  • Voltage: 3.814V

Firmware

• Initial firmware: 5.0 (16R364), 5.0 (16R364), 5.0 (16R364), 5.0 (16R364)
• Last firmware:
  • When paired with iPhone 5s, iPhone 6, or iPhone 6 Plus: 5.3.10 (16U711), 5.3.10 (16U711), 5.3.10 (16U711), 5.3.10 (16U711)
  • When paired with iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, or iPhone 7 Plus: 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526)
  • When paired with iPhone 8, iPhone 8 Plus or iPhone X: 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512)
  • Otherwise: 10.6.2 (21U594), 10.6.2 (21U594), 10.6.2 (21U594), 10.6.2 (21U594)

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

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
  • Capacity: 245mAh
  • Power: 0.944Wh
  • Voltage: 3.85V
• 44mm
  • Capacity: 296mAh
  • Power: 1.129Wh
  • Voltage: 3.814V

Firmware

• Initial firmware: 6.0 (17R575), 6.0 (17R575), 6.0 (17R575), 6.0 (17R575)
• Last firmware:
  • When paired with iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, or iPhone 7 Plus: 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526)
  • When paired with iPhone 8, iPhone 8 Plus or iPhone X: 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512)
  • Otherwise: 10.6.2 (21U594), 10.6.2 (21U594), 10.6.2 (21U594), 10.6.2 (21U594)

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

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
  • Capacity: 245mAh
  • Power: 0.944Wh
  • Voltage: 3.85V
• 44mm
  • Capacity: 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)
• Last firmware:
  • When paired with iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, or iPhone 7 Plus: 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526)
  • When paired with iPhone 8, iPhone 8 Plus or iPhone X: 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512)
  • Otherwise: 10.6.2 (21U594), 10.6.2 (21U594), 10.6.2 (21U594), 10.6.2 (21U594)

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

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
  • Capacity: 265.9 mAh
  • Power: 1.024 Wh
  • Voltage: 3.85 V
• 44mm
  • Capacity: 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:
  • When paired with iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, or iPhone 7 Plus: 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526)
  • When paired with iPhone 8, iPhone 8 Plus or iPhone X: 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512)
  • When paired with iPhone XR, iPhone XS, or iPhone XS Max: 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95)
  • Otherwise: 26.4 (23T240), 26.4 (23T240), 26.4 (23T240), 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h)

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

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
  • Capacity: 284 mAh
  • Power: 1,094 Wh
  • Voltage: 3.85 V
• 45mm
  • Capacity: 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:
  • When paired with iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, or iPhone 7 Plus: 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526), 8.8.2 (19U526)
  • When paired with iPhone 8, iPhone 8 Plus or iPhone X: 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512)
  • When paired with iPhone XR, iPhone XS, or iPhone XS Max: 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95)
  • Otherwise: 26.4 (23T240), 26.4 (23T240), 26.4 (23T240), 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h)

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

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
  • Capacity: 245 mAh
  • Power: ? Wh
  • Voltage: ? V
• 44mm
  • Capacity: 296 mAh
  • Power: ? Wh
  • Voltage: ? V

Firmware

• Initial firmware: 9.0 (20R361), 9.0 (20R361), 9.0 (20R361), 9.0 (20R361)
• Latest public firmware:
  • When paired with iPhone 8, iPhone 8 Plus or iPhone X: 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512)
  • When paired with iPhone XR, iPhone XS, or iPhone XS Max: 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95)
  • Otherwise: 26.4 (23T240), 26.4 (23T240), 26.4 (23T240), 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h)

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

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
  • Capacity: 282 mAh
  • Power: ? Wh
  • Voltage: ? V
• 45mm
  • Capacity: 308 mAh
  • Power: ? Wh
  • Voltage: ? V

Firmware

• Initial firmware: 9.0 (20R361), 9.0 (20R361), 9.0 (20R361), 9.0 (20R361)
• Latest public firmware:
  • When paired with iPhone 8, iPhone 8 Plus or iPhone X: 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512), 9.6.4 (20U512)
  • When paired with iPhone XR, iPhone XS, or iPhone XS Max: 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95)
  • Otherwise: 26.4 (23T240), 26.4 (23T240), 26.4 (23T240), 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h)

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

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
  • Capacity: 542 mAh
  • Power: 2.1 Wh
  • Voltage: 4.47 V

Firmware

• Initial firmware: 9.0 (20R8363)
• Latest public firmware:
  • When paired with iPhone 8, iPhone 8 Plus or iPhone X: 9.6.4 (20U512)
  • When paired with iPhone XR, iPhone XS, or iPhone XS Max: 11.6.2 (22U95)
  • Otherwise: 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h)

Internal Names: Watch6,18

Variations

• Apple Watch
• Apple Watch Hermès

Hardware Specifications

• CPU: Apple S9 SiP
• RAM: 2GB
• 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
  • Capacity: 282 mAh
  • Power: 1.091 Wh
  • Voltage: 3.869 V
• 45mm
  • Capacity: ? mAh
  • Power: ? Wh
  • Voltage: ? V

Firmware

• Initial firmware: 10.0 (21R355), 10.0 (21R355), 10.0 (21R355), 10.0 (21R355)
• Latest public firmware:
  • When paired with iPhone XR, iPhone XS, or iPhone XS Max: 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95)
  • Otherwise: 26.4 (23T240), 26.4 (23T240), 26.4 (23T240), 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h)

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

Variations

• Apple Watch

Hardware Specifications

• CPU: Apple S9 SiP
• RAM: 2GB
• 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
  • Capacity: 564 mAh
  • Power: 2.178 Wh
  • Voltage: 3.862 V

Firmware

• Initial firmware: 10.0 (21R355)
• Latest public firmware:
  • When paired with iPhone XR, iPhone XS, or iPhone XS Max: 11.6.2 (22U95)
  • Otherwise: 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h)

Internal Names: Watch7,5

Variations

• Apple Watch
• Apple Watch Hermès

Hardware Specifications

• CPU: Apple S10 SiP
• RAM: 2GB
• 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

• 42mm
  • Capacity: ? mAh
  • Power: ? Wh
  • Voltage: ? V
• 46mm
  • Capacity: 327 mAh
  • Power: 1.266 Wh
  • Voltage: 3.87 V

Firmware

• Initial firmware: 11.0 (22R349), 11.0 (22R349), 11.0 (22R349), 11.0 (22R349)
• Latest public firmware:
  • When paired with iPhone XR, iPhone XS, or iPhone XS Max: 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95), 11.6.2 (22U95)
  • Otherwise: 26.4 (23T240), 26.4 (23T240), 26.4 (23T240), 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h)

Internal Names: Watch7,8, Watch7,9, Watch7,10, Watch7,11

Variations

• Apple Watch

Hardware Specifications

• CPU: Apple S10 SiP (Same base CPU as S9)
• RAM: 2GB
• Storage: 64GB
• Wi-Fi: 802.11 b/g/n (2.4GHz)
• Bluetooth 5.3
• Apple W3 Wireless chip.
• MT6815 LTE Baseband Chipset

Battery Specs

• 40mm
  • Capacity: ? mAh
  • Power: ? Wh
  • Voltage: ? V
• 44mm
  • Capacity: ? mAh
  • Power: ? Wh
  • Voltage: ? V

Firmware

• Initial firmware: 26.0 (23R350), 26.0 (23R350), 26.0 (23R350), 26.0 (23R350)
• Latest public firmware: 26.4 (23T240), 26.4 (23T240), 26.4 (23T240), 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h)

Internal Names: Watch7,13, Watch7,14, Watch7,15, Watch7,16

Variations

• Apple Watch
• Apple Watch Hermès

Hardware Specifications

• CPU: Apple S10 SiP
• RAM: 2GB
• Storage: 64GB
• Wi-Fi: 802.11 b/g/n (2.4GHz)
• Bluetooth 5.3
• Apple W3 Wireless chip.
• MT6815 LTE Baseband Chipset

Battery Specs

• 42mm
  • Capacity: ? mAh
  • Power: ? Wh
  • Voltage: ? V
• 46mm
  • Capacity: ? mAh
  • Power: ? Wh
  • Voltage: ? V

Firmware

• Initial firmware: 26.0 (23R350), 26.0 (23R350), 26.0 (23R350), 26.0 (23R350)
• Latest public firmware: 26.4 (23T240), 26.4 (23T240), 26.4 (23T240), 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h), 26.5 beta (23T5541h)

Internal Names: Watch7,17, Watch7,18, Watch7,19, Watch7,20

Variations

• Apple Watch

Hardware Specifications

• CPU: Apple S9 SiP
• RAM: 2GB
• Storage: 64GB
• Wi-Fi: 802.11 b/g/n (2.4GHz)
• Bluetooth 5.3
• Apple W3 Wireless chip.
• MT6815 LTE Baseband Chipset

Battery Specs

• 49mm
  • Capacity: 564 mAh
  • Power: 2.178 Wh
  • Voltage: 3.862 V

Firmware

• Initial firmware: 26.0 (23R350)
• Latest public firmware: 26.4 (23T240)
• Latest beta firmware: 26.5 beta (23T5541h)

Internal Names: Watch7,12

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