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Constellation Co‑Axial Master Chronometer 39 mm

Sedna™ gold on Sedna™ gold

131.50.39.20.02.001

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Description

The dramatic and enduring design of the OMEGA Constellation is characterised by its famous half-moons, “claws” on the case and mono-rang bracelet.

This 39 mm 18K Sedna™ gold model features a bezel engraved with Roman numerals, an opaline creamy silvery dial and a date window at the 6 o'clock position. The hands, OMEGA logo, Constellation star and indexes are all in 18K Sedna™ gold.

At the heart of this timepiece is the OMEGA Co-Axial Master Chronometer Calibre 8801, visible through the domed scratch-resistant sapphire crystal.

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5-Year Warranty

All OMEGA watches are delivered with a 5-year warranty that covers the repair of any material or manufacturing defects. Please refer to the operating instructions for specific information about the warranty conditions and restrictions.

Features

  • Anti‑magnetic

  • Automatic watch

  • Chronometer

  • Date

  • Master Chronometer Certified

  • Sedna Gold™

  • Transparent case back

Technical Data

  • Between lugs: 24.2 mm
  • Bracelet: Sedna™ gold
  • Case: Sedna™ gold
  • Case diameter: 39 mm
  • Dial colour: Silver
  • Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
  • Water resistance: 5 bar (50 metres / 167 feet)

The advantages
of this watch

Inside this timepiece are the revolutionary components that guarantee the highest standards of performance. From the Co-Axial escapement for long-lasting precision, to the silicon balance spring for superior anti-magnetism, OMEGA has conquered every challenge that matters.

Key materials

  • Material - Sedna<sup>TM</sup> Gold

    SednaTM Gold

  • Material - Sapphire Crystal

    Sapphire Crystal

SednaTM Gold

OMEGA has been using the exclusive 18K SednaTM Gold, its own fiery rose gold alloy, since 2012. Named after Sedna, an orbiting planetoid that has been described as one of the reddest in the solar system, SednaTM Gold not only bears all the standard characteristics of other 18K golds, but it also offers high resistance to the fading of colour and lustre over time. Its unique composition includes copper and palladium for colour and stability.

Sapphire Crystal

To really appreciate the finer details of a timepiece, OMEGA uses synthetic sapphire crystal with a highly scratch-resistant and anti-reflective treatment. Before the machining and finishing processes take place, the sapphire crystals are produced under the Verneuil process, also called flame fusion. It involves the melting of the raw substance using oxyhydrogen flame and the crystallisation of the melted droplets to form a cylinder. Graded 9 on the Mohs-hardness scale (graded 1-10), the resulting sapphire crystals are virtually scratch-proof and very hard, ensuring an unhindered vision at all times.

Movement CALIBRE OMEGA 8801

Calibre 8801

Self-winding movement with Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free sprung-balance with silicon balance spring, automatic winding in both directions. 18K Sedna™ gold balance bridge and oscillating weight with Geneva waves in arabesque.

  • 55 hours Power reserve
  • Self winding
Calibre 8801

Variations Constellation Co‑Axial Master Chronometer 39 mm

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