Casio Vintage B640WB-1A Black Stainless Steel Men Watch / Women Watch

·         Case / bezel material: Resin

·         Stainless Steel Band

·         Adjustable Clasp

·         Resin Glass

·         Black ion plated band

·         Black IP

·         50-meter water resistance

·         LED Backlight
Afterglow

·         Flash alert
Flashes with buzzer that sounds for alarms, hourly time signal

·         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

·         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

·         Multi-function alarm

·         Hourly time signal

·         Full auto-calendar (to year 2039)

·         12/24-hour format

·         Regular timekeeping: Hour, minute, second, pm, month, date, day

·         Accuracy: ±30 seconds per month

·         Approx. battery life: 3 years on CR2016

·         Size of case : 38.9×35×9.4mm

·         Total weight : 49g