Description
Casio is proud the present the Casio Retro Watch - B640WB-1ADF which falls under the standard collection and retro range. These models are great value for money and are made with Casio's usual outstanding quality.
Case size (L× W× H)
38.9 × 35 × 9.4 mm
Weight
49 g
Case and bezel material
Resin
Band
Adjustable Clasp
Stainless Steel Band
Water resistance
50-meter water resistance
Power supply and battery life
Approx. Battery life: 3 years on CR2016
Glass
Resin Glass
Surface treatment
Black ion-plated band
Black IP
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 feature
Flash alert Flashes with buzzer that sounds for alarms, hourly time signal
Light
LED backlight Afterglow
Light color
LED: Amber
Calendar
Full auto-calendar (to year 2039)
Accuracy
Accuracy: ±30 seconds per month
Other features
12/24-hour format
Regular timekeeping: Hour, minute, second, pm, month, date, day