Tough SolarTough Solar

Tough Solar

Provides stable operation of various high-load functions

CASIO’s original solar-charging system converts not only sunlight but also light from fluorescent lamps and other sources into power.


Stable function operation

Generates ample power for smooth operation of various power-hungry functions, including time-calibration signal reception, 5-motor operation, alarms, sensors and backlights.


Large-capacity rechargeable battery

Continues operating for approximately two years* on a full charge, even in unlighted locations.
* with power saving on. Time differs with the model and usage conditions.


Charges even under low light conditions

Generates sufficient electric power to keep on charging, even with limited light from cloudy skies or indoor fluorescent lighting.


Tough Solar


  • * The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc., and any use of such marks by CASIO COMPUTER is under license. Other trademarks and trade names are those of their respective owners.