Make sure to keep the watch sufficiently charged
The watch operates while charging electricity by converting light received on the dial to electrical energy. It cannot properly operate unless the remaining energy is sufficient.
Place or store in a location receiving light, etc., to sufficiently charge electricity.
The amount of energy stored in the watch can be checked by the movement of the seconds hand.
Two-second interval movement by the seconds hand is a signal that the energy of the watch is nearly depleted. (For models with a seconds hand)