Water resistant performance for air diving:
This watch is equipped with water resistant performance to be used in water for a long period of time with scuba diving tanks. (It cannot be used for saturation diving that uses helium gas.)
Solar charging function:
The watch operates while charging electricity by converting light received on a solar cell placed beneath the dial to electrical energy.
It cannot properly operate unless the remaining energy is sufficient.
Place or store the watch in a location receiving light etc., to sufficiently charge electricity.
How to charge the battery
Guide to charging times
Power Source