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|  Release Date | 
2022-09-16 | 
2023-09-22 | 
2023-09-22 | 
| Brand | 
Apple | 
Apple | 
Apple | 
| Model Year | 
2022 | 
2023 | 
2023 | 
| Colour | 
- Midnight
 
- Silver
 
- Starlight
 
 
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- Gold
 
- Graphite
 
- Midnight
 
- Pink
 
- Red
 
- Silver
 
- Starlight
 
 
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– | 
| Dimension | 
- 40 mm X 34 mm X 10.7 mm
 
- 44 mm X 38 mm X 10.7 mm
 
 
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- 41 mm X 35 mm X 10.7 mm
 
- 45 mm X 38 mm X 10.7 mm
 
 
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49 mm X 44 mm X 14.4 mm | 
| Weight | 
- 26.4 g – 27.8 g
 
- 32.9 g – 33 g
 
 
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- 31.9 g (Aluminium – GPS)
 
- 32.1 g (Aluminium – GPS – Cellular)
 
- 38.7 g (Aluminium – GPS)
 
- 39.0 g (Aluminium – GPS – Cellular)
 
- 42.3 g (Stainless steel)
 
- 51.5 g (Stainless steel)
 
 
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61.4 g | 
| Case Material | 
Aluminium | 
- Aluminium
 
- Stainless steel
 
 
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Titanium | 
| Wrist Size | 
- 130 – 200 mm
 
- 140 – 245 mm
 
 
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- 130 – 200 mm
 
- 140 – 245 mm
 
 
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130 – 210 mm | 
| Water Resistance | 
50 m | 
50 m | 
100 m | 
| Processor Brand | 
Apple | 
Apple | 
Apple | 
| Processor Name | 
S8 SiP | 
S9 SiP | 
S9 SiP | 
| Processor Core | 
Dual Core | 
Dual Core | 
Dual Core | 
| Processor Type | 
64-bit | 
64-bit | 
64-bit | 
| Display Technology | 
Retina LTPO OLED | 
Retina LTPO OLED | 
Retina LTPO OLED | 
| Display Pixel Density | 
326 ppi | 
326 ppi | 
326 ppi | 
| Display Brightness | 
Up to 1000 nits maximum | 
- 1 nit minimum
 
- Up to 2000 nits maximum
 
 
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- 1 nit minimum
 
- Up to 3000 nits maximum
 
 
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| Display Glass | 
Ion-X front | 
- Ion-X front
 
- Sapphire front crystal
 
 
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Flat sapphire crystal | 
| Display Touch Screen | 
Multi Touch | 
Multi Touch | 
Multi Touch | 
| Storage | 
32 GB | 
64 GB | 
64 GB | 
| Networks | 
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| Navigation | 
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- BeiDou
 
- Galileo
 
- GLONASS
 
- GPS
 
- QZSS
 
 
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| Wi Fi | 
Wi-Fi 4 | 
Wi-Fi 4 | 
Wi-Fi 4 | 
| Bluetooth | 
Bluetooth 5.3 | 
Bluetooth 5.3 | 
Bluetooth 5.3 | 
| Operating System | 
watchOS 10 | 
watchOS 10 | 
watchOS 10 | 
| Sensors | 
- Accelerometer
 
- Altimeter
 
- Ambient light sensor
 
- Compass
 
- Gyroscope
 
- Optical heart sensor
 
 
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- Accelerometer
 
- Altimeter
 
- Ambient light sensor
 
- Compass
 
- Electrical heart sensor
 
- Gyroscope
 
- Optical heart sensor
 
- Temperature sensing
 
 
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- Accelerometer
 
- Altimeter
 
- Ambient light sensor
 
- Compass
 
- Depth gauge
 
- Electrical heart sensor
 
- Gyroscope
 
- Optical heart sensor
 
- Temperature sensing
 
- Water temperature sensor
 
 
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| Battery Charging | 
– | 
Fast charge | 
Fast charge | 
| Battery Type | 
Built-in rechargeable lithium-ion | 
Built-in rechargeable lithium-ion | 
Built-in rechargeable lithium-ion | 
| Battery Usage Time | 
Normal use – Up to 18 hours | 
- Low Power Mode – Up to 36 hours
 
- Normal use – Up to 18 hours
 
 
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- Low Power Mode – Up to 72 hours
 
- Normal use – Up to 36 hours
 
 
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