: Your watch is suitable for swimming, snorkeling, and poolside diving but should not be used for scuba diving or high-speed water sports like jet-skiing. Operation Guide 437/438/3208 - CASIO
Press to cycle through seconds, hour, minutes, year, and date. Use D and B to change values. Press A again to save and exit. Casio Wr100m Manual Pdf
Hold in Timekeeping Mode until the seconds flash. : Your watch is suitable for swimming, snorkeling,