Constellation - Co-Axial Master Chronometer 41 mm 131.63.41.21.01.001 Constellation - Co-Axial Master Chronometer 41 mm 131.63.41.21.01.001 Co‑Axial Master Chronometer 41 mm - Co-Axial Master Chronometer 41 mm 131.63.41.21.01.001

Name: Constellation Co‑Axial Master Chronometer 41 mm
Brand: OMEGA
SKU: 131.63.41.21.01.001

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Yellow gold on leather strap

131.63.41.21.01.001

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Description

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

This 41 mm 18K yellow gold model features a polished black ceramic bezel with Roman numerals in Ceragold™, a sun-brushed black dial and a date window at the 6 o'clock position. The hands, OMEGA logo, Constellation star and facetted indexes are all in 18K yellow gold.

Presented on a black leather strap with rubber lining, this timepiece is driven by the OMEGA Co-Axial Master Chronometer Calibre 8901, visible through the domed scratch-resistant sapphire crystal.

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

Technical Data

Between lugs: 24.2 mm
Bracelet: leather strap
Case: Yellow gold
Case diameter: 41 mm
Dial colour: Black
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.

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Twice as precise as any officially certified chronometer

Master Chronometer Certified

Our Master Chronometer watches are tested and certified twice. Firstly, the movement is tested by the Official Swiss Chronometer Control (COSC) with precision criteria of -4/+6 seconds per day. Then the complete watch and its movement undergo eight Master Chronometer tests set by the Swiss Federal Institute of Metrology (METAS) with criteria of 0/+5 seconds per day.

Proprietary anti-magnetic materials

Master Chronometer Certified

Everyday items such as mobile phones, metal clasps on handbags, laptops, MRI, induction hobs or automatic doors; subject a watch to magnetic fields and can affect its performance for good. To prevent the risk of permanent deviations of up to several minutes a day we've conceived movements with antimagnetic materials, such as the silicon balance spring, capable of withstanding the highest fields.

Water-resistance

Master Chronometer Certified

To ensure the integrity of our timepieces at depth, not just some but all watches are fully immersed in water and pressure is applied up to the point of the guaranteed water resistance. By submerging each watch in water we have chosen – yet again - to exceed normal testing standards.

Durability

Master Chronometer Certified

Our watches are engineered to the highest standards and certified as such. Each watch destined to become a Master Chronometer must first pass 8 stringent tests. The examinations we perform for precision, magnetic-resistance, power reserve and water-resistance allow us to cover the certified watches with a comprehensive 5-year warranty.

Extended service intervals

Each Master Chronometer is equipped with a Co-Axial escapement, conceived to reduce the mechanical constraints inside the movement. This significantly reduces the need for lubrication and hence the need for servicing. All mechanical movements need to be serviced periodically, but an OMEGA Master Chronometer offers more time between servicing than many other watches.

Shock-resistance

A selection of test watches face shock-resistance examinations that are equivalent to 5,000 g (1 g is equal to the force of gravity at the Earth's surface) to ensure our complex mechanical mechanisms are also extraordinarily robust. Not just for everyday use but for active sports such as golf and sailing.

Constellation Constellation Constellation Co‑Axial Master Chronometer 41 mm Watch - 131.63.41.21.01.001

Movement CALIBRE OMEGA 8901

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, two barrels mounted in series, automatic winding in both directions. Time zone function. 18K Sedna™ gold rotor and balance bridge and luxury finish with Geneva waves in arabesque.