About
Born in 1974, built with unparalleled functionality by the electronic expertise and designed drawing inspiration from refined Japanese craftsmanship, CASIO achieved a remarkable feat in the realm of watches by creating one of the earliest digital wristwatches worldwide. 
Product Features
- Construction: Shock Resistant
 - World time
 - 29 time zones (48 cities), city code display, daylight saving on/off
 - Moon data (moon age of the specific date, moon phase graph)
 - 1/100-second stopwatch
 - Measuring capacity: 23:59'59.99''
 - Measuring modes: Elapsed time, split time, 1st-2nd place times
 - Other: 5-second countdown auto start
 - Countdown timer:
- Measuring unit: 1 second
 - Countdown range: 24 hours
 - Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
 
 - Others: Auto-repeat, time up alarm, progress beeper on/off
 - Full auto-calendar (to year 2099)
 
Product Specifications
- Case Size: 45.7 × 40.5 × 11.9 mm (LxWxH)
 - Total weight: 41g
 - Case and bezel material: Resin / Bio-based resin
 - Water resistance: 200-meter water resistance
 - Power supply and battery life: Approx. battery life: 3 years on CR1616
 - Band: Bio-based resin band
 - Glass: Mineral Glass
 - Compatible band size: 145 to 200 mm
 - Warranty: 12 month