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Vintage

B640WMR-5A

B640WMR-5A
My GShock

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• 1/100-second stopwatch • 50-meter water resistance • Daily alarm • LED backlight • Stainless steel band • Popular retro design

B640WMR-5A
  • Classical design
  • Unisex
  • Self-adjustable band
  • Water resistant
  • Easy to see in darkness

Specifications

Case size (L× W× H)
38.9 × 35 × 9.4 mm
Weight
55 g
Case and bezel material
Case / 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

Glass
Resin Glass
Surface treatment
Rose gold ion plated band

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

*The color tone of the listed products may differ from the actual product in some cases.

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