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Omega Specialities Jewellery 231.55.30.20.99.002

Features:

  * Transparent case back:
Transparent case backA transparent case back - frequently made of sapphire - makes it possible to see the movement inside the watch.

* Diamonds:
DiamondsThe hardest, most luminous precious stone whose value is calculated according to the 4C criteria: Cut - Carat - Clarity - Color.
 * Chronometer: 
ChronometerLabel given to a watch which has undergone precision tests and received a certificate from an official body (COSC).

 Technical data:
    * Crystal

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

      White gold
    * Dial

      White gold with diamonds
    * Water resistance

      150 m (500 feet)
    * Size

      Ladies
      Case Diameter: 30.0 mm
Movement:
    Caliber: Omega 8421

    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. Oscillating mass and balance bridge in red gold. Luxury finish with exclusive Geneva waves in arabesque.

    Power reserve: 50 hours