CASIO B640WB-1A

Band: Adjustable Clasp , Stainless Steel Band
Stopwatch: 1/100-second stopwatch
Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit: 1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
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 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Other: Auto-repeat
Alarm/hourly time signal: Hourly time signal , Multi-function alarm
Flash alert: Flashes with buzzer that sounds for alarms, hourly time signal
LED backlight: Afterglow
Light color: LED- Amber
Calendar: Full auto-calendar (to year 2039)
Accuracy: ±30 seconds per month
Other features: 12/24-hour format , Regular timekeeping
Hour, minute, second, pm, month, date, day
Power supply and battery life: Approx. battery life 3 years on CR2016
Indian Product Code: D180
Country Of Origin: China

Case size (L× W× H): 38.9 × 35 × 9.4 mm
Weight: 49 g
Case and bezel material: Resin
Glass: Resin Glass
Surface treatment: Black ion plated band , Black IP
Water resistance: 50-meter water resistance

2 years