How to turn on / off Beep sound and Alarm sound on Casio F91W super quick - YouTube
Amazon.com: Casio Men's Classic Alarm Chronograph Shock Resistant Sports Watch, with a Countdown Timer and Digital Stop Watch, with Auto Calendar and Multi-Function Alarm, and is 100 Meters Water Resistant : Clothing,
Turn off stopwatch beeping on Casio Calculator Watch (10 minute interval beeps) : r/casio