CASIO B640WMR-5AVT DIGITAL QUARTZ ROSE GOLD MESH BAND WATCH
• 1/100-second stopwatch • 50-meter water resistance • Daily alarm • LED backlight • Stainless steel band • Popular retro design Basic Information Case size (L× W× H) 38.9 × 35 × 9.4 mm Weight 55 g Case and bezel material Resin Band Stainless Steel Mesh Band Adjustable Clasp Water resistance 50-meter water resistance Power supply and battery life Approx. battery life: 3 years on CR2016 Exterior Glass Resin Glass Surface treatment Rose gold ion plated band Watch Features Stopwatch 1/100-second stopwatchMeasuring 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 timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown 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 signalMulti-function alarm Flash alert feature Flash alertFlashes with buzzer that sounds for alarms, hourly time signal Light LED backlightAfterglow Light color LED:Amber Calendar Full auto-calendar (to year 2039) Accuracy Accuracy: ±30 seconds per month Other features 12/24-hour formatRegular timekeeping:Hour, minute, second, pm, month, date, day
CASIO B640WMR-5AVT DIGITAL QUARTZ ROSE GOLD MESH BAND WATCH
• 1/100-second stopwatch
• 50-meter water resistance
• Daily alarm
• LED backlight
• Stainless steel band
• Popular retro design
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Case size (L× W× H)
38.9 × 35 × 9.4 mm
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Weight
55 g
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Case and bezel material
Resin
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Band
Stainless Steel Mesh Band
Adjustable Clasp
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Water resistance
50-meter water resistance
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Power supply and battery life
Approx. battery life: 3 years on CR2016
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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
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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
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Alarm/hourly time signal
Hourly time signal
Multi-function alarm
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Flash alert feature
Flash alert
Flashes with buzzer that sounds for alarms, hourly time signal
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Light
LED backlight
Afterglow
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Light color
LED:Amber
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Calendar
Full auto-calendar (to year 2039)
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Accuracy
Accuracy: ±30 seconds per month
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Other features
12/24-hour format
Regular timekeeping:
Hour, minute, second, pm, month, date, day