Weight & dimensions | Width | 41 mm |
| Depth | 10.7 mm |
| Thickness | 35 mm |
| Weight | 32.1 g |
Network | Mobile network connection | Yes |
| Mobile network generation | 4G |
| 4G standard | LTE |
| GPS (satellite) | Yes |
| BeiDou | Yes |
| GLONASS | Yes |
| Galileo | Yes |
| Quasi-Zenith Satellite System (QZSS) | Yes |
Ports & interfaces | Wi-Fi | Yes |
| Bluetooth version | 5.3 |
| Near Field Communication (NFC) | Yes |
| Headphone connectivity | Bluetooth |
| Wi-Fi standards | Wi-Fi 4 (802.11n) |
| Bluetooth | Yes |
Performance | Built-in microphone | Yes |
| Built-in speaker(s) | Yes |
| Mobile operating systems supported | iOS |
| Operating system installed | watchOS 10 |
| Flash memory | 64 GB |
| Processor manufacturer | Apple |
| Processor model | S9 |
| Processor cores | 2 |
| 64-bit computing | Yes |
| Wireless chipset | W3 |
| Crash detection | Yes |
| Fall detection | Yes |
Display | Display type | Digital |
| Display resolution | 352 x 430 pixels |
| Touchscreen | Yes |
| Display brightness | 2000 cd/m² |
| Always-on display | Yes |
| Rounded display corners | Yes |
Sustainability | Sustainability certificates | CarbonNeutral |
| Doesn't contain | Arsenic, BFR, Beryllium, Mercury, PVC |
Design | Market positioning | Smartwatch |
| Watch case size | 41 mm |
| Watch case colour | Silver |
| Watch case material | Aluminium |
| Band colour | Blue |
| Band size | M/L |
| Shape | Rectangular |
| Back material | Ceramic, Sapphire glass |
| Protection features | Dust resistant, Water resistant, Waterproof |
| International Protection (IP) code | IP6X |
| Removable strap | Yes |
| Magnetic charging connector | Yes |
| Waterproof up to | 50 m |
Power | Battery type | Built-in battery |
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery life (max) | 36 h |
| Wireless charging | Yes |
Features | Heart rate monitor | Yes |
| Heart rate sensor type | Electrical, Optical |
| Blood oxygen sensor | Yes |
| Accelerometer | Yes |
| Gyroscope | Yes |
| Activity tracker | Yes |
| Double tap gesture | Yes |
| Precision Finding | Yes |
| Irregular rhythm notifications | Yes |
| Low cardio notifications | Yes |
| SOS alert function | Yes |
| Ambient light sensor | Yes |
| E-mail | Yes |
| Virtual assistant | Apple Siri |
| Haptic feedback | Yes |
| Electronic compass | Yes |
| Skin temperature sensor | Yes |
| Altimeter | Yes |