Amazon.com: Casio Mens G-Shock Digital Watch, with Quartz Digital Movement, and Multi-Function Alarm, Stopwatch, and Countdown Timer, Hourly Time Signal, Auto Calendar, Water-Resistant to 200 M (660 Feet) : Clothing, Shoes &
Turning Off an Alarm or the Hourly Time Signal Module No. 5689 G-SHOCK - Support - CASIO
Setting Casio G-Shock DW-5600BB manual 3229 to set alarm - YouTube
Casio G-Shock Alarm World Time Quartz Analog-Digital Mens