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Apple Watch · 2018VintageUncommon · 55
Apple Watch Series 4
A1977 / A1978 / A1975 / A1976 · Larger Watch (Series 4-6)
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Identifiers
| Order number | A1977 / A1978 / A1975 / A1976 |
| Machine IDs | Watch4,1, Watch4,2, Watch4,3, Watch4,4 |
Reference
| Original price | $399 – $529 |
| Announced | 2018-09-12 |
| Discontinued | 2019-09-10 |
| Max supported OS | watchOS 10 |
| Design era | Larger Watch (Series 4-6) |
Configurations
| Colors | Silver, Space Gray, Gold |
| SoC | Apple S4 SiP (dual-core 64-bit) |
| Memory | 1 GB |
| Storage | 16 GB |
| Display | 40mm / 44mm LTPO OLED Retina |
| watchOS | watchOS 5, watchOS 10 |
Physical
| Ports & connectivity | Magnetic inductive charging · Wi-Fi 802.11b/g/n · Bluetooth 5.0 · GPS/GLONASS/Galileo/QZSS · LTE (optional) · ECG · Fall detection · Electrical heart rate sensor |
| Dimensions (W×H×D) | 40 × 44 × 10.7 mm |
| Weight | 36.7 g |
Known quirks
- First Apple Watch with ECG — FDA-cleared single-lead
- First fall detection — calls 911 if you don't respond
- Larger display with thinner bezels; drops the 38/42 for 40/44
- Aluminum scratches easily; stainless/gold/steel hold up