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Moonphase Co‑Axial Master Chronometer Moonphase Chronograph 44.25 mm

Platinum on leather strap

304.93.44.52.99.003

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Description

The Speedmaster is one of OMEGA’s most iconic timepieces, having been a part of all six lunar missions. Celebrating that history, this Moonphase model enhances the classic Speedmaster design with exquisite materials and precision.

The 44.25 mm case is made from platinum-gold, while the green ceramic bezel ring includes a brushed platinum Liquidmetal™ tachymeter scale.

The sand-blasted platinum-gold dial is brought to life by its 18K white gold indexes that are set with baguette-cut emeralds. Complementing that colour is the green ceramic moonphase disc at 6 o'clock that features two moons in platinum Liquidmetal™. The dial is completed by a magnified hand on the date subdial as well as blackened hours, minutes and central seconds hands all with white Super-LumiNova.

Presented on a green leather strap, the timepiece is powered by the OMEGA Master Chronometer Calibre 9905, certified at the industry’s highest standard by the Swiss Federal Institute of Metrology (METAS).

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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

  • Chronograph

  • Chronometer

  • Master Chronometer Certified

  • Moonphase

  • Small seconds

  • Tachymeter

  • Transparent case back

Technical Data

  • Between lugs: 21 mm
  • Bracelet: leather strap
  • Case: Platinum
  • Case diameter: 44.25 mm
  • Dial colour: Grey
  • Crystal: Scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
  • Water resistance: 10 bar (100 metres / 330 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 - Platinum

    Platinum

  • Material - Ceramic

    Ceramic

  • Material - Liquidmetal<sup>TM</sup>

    LiquidmetalTM

  • Material - Sapphire Crystal

    Sapphire Crystal

Platinum

Platinum stands out in the luxury world for its rarity, enduring silvery whiteness and brilliant shine. It is also highly unreactive and has a remarkable resistance to corrosion. The rarity of the material is often associated with exclusivity and wealth, which is why OMEGA uses 950 platinum for exceptional models of prestige. These watches offer wearers a distinctive look and a unique feel unlike any other metal.

Ceramic

OMEGA has unrivalled expertise in the use of ceramics, dating back more than 10 years. Taking its origin from the Greek word "keramos", ceramic is an inorganic, non-metallic substance obtained by firing at high temperatures. It allows the creation of completely dense watch parts with exceptional mechanical properties. Ceramic is one of the most popular choices for customers when selecting their timepiece, thanks to its appealing colour range and specific properties, such as it being two times lighter than stainless steel, hardwearing, highly scratch-resistant, chemically inert, hypoallergenic, environmentally friendly and non-magnetic.

LiquidmetalTM

Since 2010, OMEGA has bonded its ceramics with an alloy called LiquidmetalTM, which offers new decoration possibilities in a metal grey colour with superior scratch-resistance and enduring stability. Composed of titanium, zirconium and copper, this amorphous alloy is three times as hard as stainless steel. When bonded with ceramic parts, LiquidmetalTM can be offered in contrasting finishes (brushed or polished), thanks to the difference in hardness between the two materials.

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 9905

Calibre 9905

Self-winding chronograph with column wheel and Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Silicon balance-spring, 2 barrels mounted in series. Central hour, minute and chronograph seconds hands, small seconds hand, date indication by hand, 12-hour and 60-minute recorders and moonphase indication. 18K Sedna™ gold rotor and balance bridge.

  • 60 hours Power reserve
  • Self winding
Calibre 9905

Variations Moonphase Co‑Axial Master Chronometer Moonphase Chronograph 44.25 mm

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