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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 |
| 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 LTPO OLED Retina, 44mm LTPO OLED Retina |
| watchOS | watchOS 5, watchOS 5.0.1, watchOS 5.1, watchOS 5.1.1, watchOS 5.1.2, watchOS 5.1.3, watchOS 5.2, watchOS 5.2.1, watchOS 5.3, watchOS 5.3.1, watchOS 5.3.2, watchOS 5.3.3, watchOS 5.3.4, watchOS 5.3.5, watchOS 5.3.6, watchOS 5.3.7, watchOS 5.3.8, watchOS 5.3.9, watchOS 6, watchOS 6.0.1, watchOS 6.1, watchOS 6.1.1, watchOS 6.1.2, watchOS 6.1.3, watchOS 6.2, watchOS 6.2.1, watchOS 6.2.5, watchOS 6.2.6, watchOS 6.2.8, watchOS 6.2.9, watchOS 6.3, watchOS 7, watchOS 7.0.1, watchOS 7.0.2, watchOS 7.0.3, watchOS 7.1, watchOS 7.2, watchOS 7.3, watchOS 7.3.1, watchOS 7.3.2, watchOS 7.3.3, watchOS 7.4, watchOS 7.4.1, watchOS 7.5, watchOS 7.6, watchOS 7.6.1, watchOS 7.6.2, watchOS 8, watchOS 8.0.1, watchOS 8.1, watchOS 8.1.1, watchOS 8.3, watchOS 8.4, watchOS 8.4.1, watchOS 8.4.2, watchOS 8.5, watchOS 8.5.1, watchOS 8.6, watchOS 8.7, watchOS 8.7.1, watchOS 8.8, watchOS 8.8.1, watchOS 9, watchOS 9.0.1, watchOS 9.0.2, watchOS 9.1, watchOS 9.1.1, watchOS 9.1.2, watchOS 9.2, watchOS 9.2.1, watchOS 9.3, watchOS 9.3.1, watchOS 9.4, watchOS 9.4.1, watchOS 9.5, watchOS 9.5.1, watchOS 9.5.2, watchOS 9.6, watchOS 9.6.1, watchOS 9.6.2, watchOS 9.6.3, watchOS 10, watchOS 10.0.1, watchOS 10.0.2, watchOS 10.1, watchOS 10.1.1, watchOS 10.2, watchOS 10.2.1, watchOS 10.3, watchOS 10.3.1, watchOS 10.4, watchOS 10.5, watchOS 10.6, watchOS 10.6.1 |
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