Question about Garmin epix Sapphire Gen2

Garmin makes the following specifications:
Smartwatch: Up to 16 days (6 days in always-on mode).
- Energy-saving mode: Up to 21 days
- GPS only: Up to 42 hours (30 hours in always-on mode)
- All satellite systems: Up to 32 hours (24 hours in Always-On mode)
- All satellite systems + multi-band: Up to 20 hours (15 hours in always-on mode) (Sapphire models only)
- All satellite systems + music: Up to 10 hours (9 hours in always-on mode)
GPS mode: Up to 75 hours
- Expedition mode: Up to 14 days