Casio - B640WD-1AVDF

Specifications

1. Basic Information

• Case size (L× W× H) : 54.4 × 51.2 × 15.7 mm
• Weight : 57 g
• Case and bezel material : Resin
• Band : Resin Band
• Water resistance : 100-meter water resistance
• Power supply and battery life : Approx. battery life: 10 years on CR2032

2. Exterior

• Glass : Resin Glass
• Compatible band size :145 to 215 mm

3. Watch Features

• World time : Dual time
• Stopwatch : 1/100-second stopwatch Measuring capacity: 23:59’59.99” Measuring modes: Elapsed time, split time, 1st-2nd place times
• Timer : 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) Other: Auto-repeat
• Alarm/hourly time signal Hourly time signal : 5 multi-function alarms (with 1 snooze alarm)
• Light : LED backlight Afterglow
• Light color : LED:Amber
• Calendar : Full auto-calendar (to year 2099)
• Accuracy : Accuracy: ±30 seconds per month
• Other features :12/24-hour format Regular timekeeping: Hour, minute, second, pm, month, date, day