Constellation Co-Axial Master Chronometer

Omega Constellation Co-Axial Master Chronometer 131.28.29.20.99.002

The Omega Constellation Co-Axial Master Chronometer – Ref. 131.28.29.20.99.002 reimagines the iconic collection in a glamorous 29 mm stainless steel and 18K Sedna™ gold execution, enhanced by a diamond-set bezel and vibrant red dial. This refined women’s reference preserves the Constellation’s signature “griffes” claws and Roman-numeral bezel aesthetic while integrating cutting-edge Master Chronometer technology.

The two-tone case, combining polished stainless steel with warm Sedna™ gold accents, frames a striking red lacquered dial adorned with diamond hour markers, gold-toned hands, applied Omega logo, and the Constellation star above 6 o’clock. A discreet date window at 6 o’clock maintains dial symmetry beneath a domed, anti-reflective sapphire crystal. The look is completed with a matching red alligator leather strap, reinforcing its elegant, feminine character.

Powering the watch is the in-house Omega Co-Axial Calibre 8700, a Master Chronometer-certified automatic movement, resistant to magnetic fields up to 15,000 gauss and featuring a silicon balance spring. Operating at 25,200 vibrations per hour, it delivers a reliable 50-hour power reserve, visible through the sapphire exhibition caseback.

This configuration harmonizes high-jewelry aesthetics with advanced chronometric performance, offering refined luxury supported by 50 meters of water resistance.

Key Specifications

• Reference: 131.28.29.20.99.002

• Collection: Constellation Co-Axial Master Chronometer

• Case Material: Stainless steel and 18K Sedna™ gold

• Bezel: Diamond-set

• Diameter: 29 mm

• Thickness: 12.2 mm

• Dial: Red lacquered with diamond hour markers

• Calibre: Omega 8700, automatic Co-Axial Master Chronometer

• Frequency: 25,200 vph

• Functions: Hours, minutes, date

• Power Reserve: 50 hours

• Water Resistance: 50 meters (5 bar)

• Strap: Red alligator leather strap with pin buckle