Very rare Seiko Frequency Drum Machine Metronome Watch. Model: B010-4010. It is also known as the DJ watch from the nineties. This watch is from 1990, this model is designed by a Japanese music producer and Seiko. This watch is in perfect condition. Worlds First and Only To Date Drum Machine Watch!! The watch is working perfect and is very special because it has both LCD and LED display. Strap/watch lenght is 24,5 cm. See the pictures for details. This watch has a built in Drum Machine, Rhythm function that gives out six patterns of drum sound , ALSO two metronome modes that indicate the set tempo with either the drum sound or the on-and off lighting the of the LED display. Alarm function that signals the designated time with any one of the six patterns the drum sound or conventional beeping sound. This is a Very collectable rare item. SPECS --- white color with reflective metal --- Diameter of the Plastic case is 53mm x 50mm (incl.buttons) --- 23 mm lug --- Function - Alarm: Beep or Rhythm Daily Alarm --- Function -BPM 1: 30-250 BPM 0-6 Beat Sound --- Function -BPM 1: 30-250 BPM 0-6 Beat Sound --- Function -Rhythm: 6 Patterns 30-250 BPM Swing --- Function - chronograph : 100/ second , Stop Watch --- Function -Time: 12/24 Hour, Calendar (Date & Day)" This is a very rare watch model almost impossible to get. Shipping method: PostNL (international bidders are welcome).