B640WMR-5A

Regular price $169.00
Size Chart
Striking the perfect balance between style and functionality, the B640WC-5AD features a sleek, rose-gold finish and milanese band with a range of functions including a calendar, multi-alarm, and stopwatch. The light-emitting diode (LED) ensures readability in any light setting and is 50m water resistant.
2 year warranty

Basic Information

  • Band
    Stainless Steel Mesh Band, Adjustable Clasp
  • 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
    55 g

Exterior

  • Compatible band size
    150 to 205 mm
  • Glass
    Resin Glass
  • Surface treatment
    Rose gold ion plated band

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

Feature List

  • Minimalist black watch icon featuring a white circular face with the word CLASSICAL in bold sans-serif text.

    Classical design

  • Black and white icon of a wristwatch face with the word UNISEX printed in the center.

    Unisex

  • Black icon showing a circular ring expanding and contracting with directional arrows indicating adjustable size.

    Self-adjustable band

  • Minimalist black line icon of a hand being washed under a running faucet stream.

    Water resistant

  • Minimalist black and white icon of a person checking a glowing watch under a crescent moon at night.

    Easy to see in darkness