Give a solar watch a real charging test
Indoor room light can be dramatically weaker than direct outdoor light. Before calling the watch dead, follow the manufacturer’s charging guidance and give it enough exposure without overheating it.
Rechargeable cells age
Light-powered does not mean every component lasts forever. Energy-storage cells can deteriorate, and movement or charging components can fail independently.
Low-power indicators matter
Some solar calibers signal low reserve through unusual seconds-hand behavior or power-save modes. Tell us exactly what the seconds hand is doing and what happens after charging.
Water and old cells complicate diagnosis
Corrosion, leakage or movement damage can coexist with a weak storage cell. The final repair comes from what we find during inspection.