Casio B640WB-1A Retro Design LED Backlight Black Digital Watch Black

Casio Retro Design LED Backlight Black Digital Watch B640WB-1A, B640WB

? 1/100-second stopwatch

? 50-meter water resistance

? Popular retro design

? LED Backlight

Resin Glass

50-meter water resistance

Black Case / bezel material: Resin

Black Stainless Steel Band

Adjustable Buckle

? 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 X 35 X 9.4 mm

Total weight: 49 g

LED:Umber