Apple Watch Series 7 Details
- Processor Apple S7 SiP with 64-bit dual-core processor
- Display Always-On Retina LTPO OLED — larger area with thinner
borders; available in ~1.69″ (41 mm) and ~1.9″ (45 mm) sizes
- RAM ~1 GB unified memory
- Storage ~32 GB internal storage
- Operating System watchOS 8 (upgradable to later versions)
- Connectivity GPS; Wi-Fi 802.11 b/g/n; Bluetooth 5.0; Optional
LTE/UMTS on GPS+Cellular models; U1 Ultra Wideband chip
- Sensors & Health ECG (electrical heart sensor); Blood Oxygen (SpO₂)
sensor; third-gen optical heart sensor; accelerometer; gyroscope; compass;
barometric altimeter; ambient light sensor; fall detection; irregular heart rhythm
alerts
- Battery & Charging Built-in rechargeable lithium-ion battery — up
to ~18 hours of typical use; supports faster USB-C magnetic charging (up to ~33 %
faster than Series 6 in some regions) :contentReference[oaicite:1]{index=1}
- Durability Water resistance WR50 (swim-proof); first Apple Watch
with IP6X dust resistance certification :contentReference[oaicite:2]{index=2}
- Case Sizes & Weight
- 41 mm and 45 mm options (exact weight varies by material and size)
