B640WB-1AEF

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Technical Specifications

  • LED light
    A light-emitting diode (LED) is used to illuminate the watch face.
  • Display Flasher
    A light diode flashes as soon as an alarm, a countdown-time or the hour signal has been reached.
  • Stopwatch function - 1/100 sec. - 24 hours
    Elapsed time, split time and final time are measured with 1/100-sec accuracy. The watch can measure times of up to 24 hours.
  • Timer - 1/1 sec. - 24 hours (with automatic repeat)
    For fans of precision: the countdown timers help you to remember specific or recurring events by giving off an audible signal at a preset time. They then count back automatically from the preset time. The time can be set to the nearest second and up to 24 hours in advance - Ideal for people who need to take medicines every day or those who do interval training.
  • Multi alarm
    This model is equipped with a multifunctional alarm. This clock has the perfect alarm for any type of appointment. The model is equipped with a total of four repeat alarms: 1. Daily alarm, sounds at the same time each day, 2. Date alarm, e.g. to help you remember birthdays, 3. Monthly alarm, sounds on the same day at the same time each month, 4. Alarm for every day of a particular month.
  • Automatic calendar
    Once set, the automatic calendar always displays the correct date.
  • 12/24-hour timekeeping
    Times can be displayed in either a 12-hour or 24-hour format.
  • Resin case
  • Stainless steel band
    Tough, durable and elegant: The stainless steel wrist strap gives your watch that classic feel.
  • Adjustable fastening
    The clasp can be individually adjusted extremely easily for maximum comfort.
  • 3 Years - 1 Battery
    The battery supplies the watch with sufficient energy for approx. three years.
  • Water resistance classification (5 bar)
    This watch can be worn when showering and bathing - it is tested for water resistance up to 5 bar according to ISO 22810.
  • Dimensions (H x W x D)
    38,9mm x 35,0mm x 9,4mm
  • Weight
    approx. 44,0 g

  • Availability of models and/or lineups may differ depending on the country or region.
    Technical amendments and errors excepted. The sizes in figures do not correspond to the original sizes.
    The colours may differ slightly from the original.