Casio B640 B640WB Vintage Retro Black Digital Illuminator Watch B640WB-1 New

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UNISEX

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CASIO Vintage Retro Digital OLD SKOOL CLASSIC Black B640WB-1 B640WB Watch

Model No: B640WB-1
Movement : Japan Casio Movement
Case : Resin
Back : Stainless Steel
Feature:

Partial ion plated
Resin Glass
50-meter water resistance
Case / bezel material: Resin
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/total weight: 38.9 X 35 X 9.4 mm/49 g
LED:Umber