Speedmaster HB-SIA Co-Axial GMT Chronograph

Titanium on rubber strap 321.92.44.52.01.003

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Features
  • 24 hours GMTA GMT function means that the watch has a second hour hand which completes one full rotation in 24 hours and a 24-hour index on the dial. Particularly useful for wearers who wish to track two time zones.
  • ChronographComplicated watch with a function for measuring short time periods in addition to its function for permanently displaying hours, minutes and seconds.
  • ChronometerLabel given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
  • Numbered editionA watch series each of whose pieces is numbered sequentially in the order it is produced.
  • 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.

technical data
  • Crystal

    Scratch-resistant sapphire crystal with anti-reflective treatment on both sides

  • Case

    Titanium

  • Dial

    Black Carbon fibre

  • Water resistance

    100 m (330 feet)

  • Size

    Gents
    Case Diameter: 44.25 mm

movement
Caliber: Omega 3603

Self-winding chronograph with column wheel mechanism, free sprung-balance and Co-Axial Escapement for greater precision and durability. 2nd time zone through 24 hour hand. 12 hour and 30 minute totalizers, stop second function, start/stop push button, return-to-zero push button. Rhodium plated finish and gold plated engravings. Officially certified chronometer.

Power reserve: 52 hours

related content

Other versions of Speedmaster HB-SIA Co-Axial GMT Chronograph (2)

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