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Aqua Terra 150M Master Co‑Axial Chronometer 34 mm

Sedna™ gold on Sedna™ gold

231.55.34.20.55.003

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Description

Equipped with one of the world’s most advanced mechanical movement, the Seamaster Aqua Terra Master Co-Axial is stylish, sporty and prepared for an active lifestyle. This luxurious model features a pearled mother-of-pearl dial with 12 diamond indexes in 18K gold holders.

This 34 mm 18K Sedna™ gold ladies' wristwatch, with its diamond-set bezel, is presented on an 18K Sedna™ gold bracelet. At its heart is the revolutionary OMEGA Master Co-Axial calibre 8521, a movement that can resist strong magnetic fields - even those greater than 15,000 gauss.

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

  • Diamonds

  • Screw‑in crown

  • Sedna Gold™

  • Transparent case back

Technical Data

  • Between lugs: 16 mm
  • Bracelet: Sedna™ gold
  • Case: Sedna™ gold
  • Case diameter: 34 mm
  • Dial colour: White
  • Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
  • Water resistance: 15 bar (150 metres / 500 feet)

A new look for your watch

Your watch and strap should go together perfectly, but that doesn't mean you can't experiment with different combinations. Why not mix things up and see what happens? You may discover a look that's as individual as you are.

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Key materials

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

    SednaTM Gold

  • Material - Diamonds

    Diamonds

  • Material - Mother-of-pearl

    Mother-of-pearl

  • 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.

Diamonds

Diamond is recognised as the hardest material on Earth, graded 10 on the Mohs hardness scale, and is the only gem made entirely of carbon. In nature, it can only be formed under high temperature and pressure conditions that exist within a specific depth range (~100 miles) beneath the Earth's surface. To decorate its timepieces and jewellery, OMEGA uses "Top Wesselton" white COLOUR diamonds with CLARITY ranging from pure to VVS (Very Very Small inclusions). Along with choosing the best weight in CARAT, the CUT is also carefully selected in order to maximise brightness and scintillation. It goes without saying that OMEGA is a certified member of the non-profit Responsible Jewellery Council (RJC), assuring customers that its processes involving people, materials and the environment are ethical and fair.

Mother-of-pearl

Also known as "nacre", mother-of-pearl is an organic-inorganic composite material produced by some molluscs as an inner shell layer, similar to pearls. It is strong, resilient and iridescent, with changing colours depending on the wavelengths of light at different viewing angles. Produced with exquisite skill and delicacy, OMEGA's ladies' collection offers mother-of-pearl dials of top quality, enhanced with specific attributes.

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 8521

Calibre 8521

Self-winding movement with Co-Axial escapement. Free sprung-balance system with silicon balance-spring. Automatic winding in both directions. Oscillating mass and balance bridge in 18 Ct red gold. Luxury finish with exclusive Geneva waves in arabesque.

  • 50 hours Power reserve
  • Self winding
Calibre 8521

Variations Aqua Terra 150M Master Co‑Axial Chronometer 34 mm

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