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 &
The Value Proposition: The Casio AE1200WH-1A World Timer, At Less Than One Dollar Per Time Zone - Hodinkee
Amazon.com: Casio LED Illuminator Lap Memory 60 10-Year Battery Men's Digital Sports Watch 100 M Water Resistant Countdown Timer Auto Calendar ( Casio Model: WS-1400H-1BV), Black (WS1400H-1BV) : Clothing, Shoes & Jewelry
More Mods to Add the Auto Repeat Countdown Timer to Budget Casio Watches - YouTube