Apple Watch Series 12
Up to 10 h in an outdoor workout, at 39.5 g for the 46 mm aluminium model, with multisport and running power. That 10 h is well short of the 18 h on the Ultra 4.
What the maker states
| GPS battery | 10 h, Outdoor workout, HR on, without iPhone |
|---|---|
| Battery | 24 h, Normal use |
| Weight | 39.5 g, 46 mm aluminium GPS; 42 mm is 32.2 g |
| Case size | 46 mm, 42 mm or 46 mm |
| Water rating | 50 m |
| Satellite systems | Precision L1 GPS, GLONASS, Galileo, QZSS, BeiDou |
| Heart rate sensor | Always-on optical, electrical heart sensor |
| External sensors | Bluetooth cycling accessories |
| Training metrics | Running power, ground contact time, Functional Threshold Power, power zones |
| App | Apple Fitness and Health |