CASIO VINTAGE

B640WB-1B

$149.00
Size Chart

Striking the perfect balance between style and functionality, the B640WB-1B features a sleek, glossy black finish with various functions, including a calendar, multi-alarm, and stopwatch. The light-emitting diode (LED) ensures readability and is 50m water resistant in any light setting.

2 year warranty

Basic Information
  • Band
    Adjustable Clasp, Stainless Steel Band
  • Case and bezel material
    Resin
  • Case size (L × W × H)
    38.9 × 35 × 9.4 mm
  • Power supply and battery life
    Approx. battery life: 3 years on CR2016
  • Water resistance
    50-metre water resistance
  • Weight
    49 g

Exterior
  • Compatible band size
    150 to 205 mm
  • Glass
    Resin Glass
  • Surface treatment
    Black ion plated band, Black IP

Features
  • Accuracy
    Accuracy: ±30 seconds per month
  • Alarm / hourly time signal
    Hourly time signal
    Multi-function alarm
  • Calendar
    Full auto-calendar (to year 2039)
  • Flash alert feature
    Flash alert
    Flashes with buzzer that sounds for alarms, hourly time signal
  • Light
    LED backlight
    Afterglow
  • Other features
    12/24-hour format
    Regular timekeeping:
    Hour, minute, second, pm, month, date, day
  • 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
User Manual – Module 3294
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