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OMEGA Watches: Constellation Constellation Omega Co-Axial 31 mm - Steel on steel -

$221.47  $203.00
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Product Description

Steel on steel

  • Overview
  • Specifications
  • movement


The especially dramatic and enduring design concept of the OMEGA Constellation line is characterized by its famous “Griffes”, or claws, and striking dials. This model features a black dial with a date window at the 3 o'clock position and a scratch-resistant sapphire crystal. The bezel, with its engraved Roman numerals, is mounted on a 31 mm stainless steel case, and is presented on a stainless steel bracelet. At the heart of this timepiece is the OMEGA Co-Axial calibre 8520, visible through the transparent caseback.

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Constellation Omega Co-Axial 31 mm (35 watches)


  • ChronometerLabel given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
  • DateThe day of the month, displayed in a window on a watch dial typically at the 3 o'clock or 6 o'clock position.
  • Transparent case backA transparent case back - frequently made of sapphire - makes it possible to see the movement inside the watch.

technical data

  • Crystal

    Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides

  • Case


  • Dial


  • Water resistance

    10 bar (100 metres / 330 feet)

  • Size

    Case Diameter: 31 mm


Caliber: Omega 8520

Self-winding movement with Co-Axial Escapement for greater precision, stability and durability. Free sprung-balance system with silicon balance-spring. Automatic winding in both directions to reduce winding time. Rhodium plated finish with exclusive Geneva waves in arabesque.

Power reserve: 50 hours