Straight from the Casio Vintage Collection comes a timepiece that never goes out of style. The B640 combines style with features Casio is known for such as an EL backlight and a 1/100th second stopwatch. This timepiece is the perfect complement to any outfit.

Features:

• 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 / 50 metres. The metres value does not relate to a diving depth but to the air pressure used in the course of the water resistance test. (ISO 22810)