Speedmaster Professional

Steel on leather strap 311.32.42.30.13.001

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Features

• ChronographComplicated watch with a function for measuring short time periods in addition to its function for permanently displaying hours, minutes and seconds.
• Small secondsA hand on a sub-dial which tracks seconds; typically it completes a full rotation in one minute.
• TachymeterA tachymeter is an instrument for measuring speed. It is a chronograph with a graduated dial on which speed can be read off in kilometres per hour based on 1000 metres distance.
• Transparent case backA transparent case back - frequently made of sapphire - makes it possible to see the movement inside the watch.

technical data

• Crystal

  Scratch-resistant sapphire crystal with anti-reflective treatment inside

• Case

  Steel

• Dial

  Brown

• Water resistance

  50 m (167 feet)

• Size

  Gents
  Diameter: 42 mm

movement

Caliber: Omega 1863

Famous manual-winding chronograph movement that was used on the Moon. Rhodium-plated finish

Power reserve: 48 hours