Garmin Fenix 7S Premium Multisport GPS Watch Sapphire Solar

Smartwatch: Up to 11 days/14 days with solar*
Battery Saver Watch Mode: Up to 38 days/87 days with solar*
GPS Only: Up to 37 hours/46 hours with solar**
All Satellite Systems: Up to 26 hours/30 hours with solar*
All Satellite Systems  Multi-band: Up to 15 hours/16 hours with solar**
All Satellite Systems  Music: Up to 7 hours
Max Battery GPS: Up to 90 hours/162 hours with solar**
Expedition GPS: Up to 26 days/43 days with solar*

*Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions
**Solar charging, assuming use in 50,000 lux conditions