B640WD-1AV

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Manufacturer SKU

B640WD-1AVDF

Case dimensions (L×W×H)

38.9 × 35 × 9.4 mm

الوزن

49 g

Case and bezel material

راتنج

الحزام

Stainless Steel Band,Adjustable Clasp

مقاومة الماء

50-meter water resistance

Power supply and battery life

Approx. battery life: 3 years on CR2016

الزجاج

Resin Glass

Compatible band size

150 to 205 mm

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

Checked 2026-10-02 · النطاق الإقليمي: Casio international · مواصفات الشركة المصنعة؛ قد تختلف الساعات الفردية.