Speedmaster Professional "Moonwatch"

Steel on steel 3576.50.00

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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.
• MoonphaseA function which tracks the phases of the moon. One lunar cycle is 29 days, 12 hours, 44 minutes and 2.8 seconds and includes four phases: new moon, first quarter, full moon, last quarter.
• 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

  Black

• Water resistance

  50 m (167 feet)

• Size

  Gents
  Case Diameter: 42 mm

movement

Caliber: Omega 1866

Manual-winding chronograph movement with rhodium-plated finish

Power reserve: 48 hours