Omega Constellation Co-Axial Master Chronometer 29mm Sedna Gold Diamond Purple Dial 131.58.29.20.60.002

The Omega Constellation Co-Axial Master Chronometer 131.58.29.20.60.002 is one of the most jewel-like expressions of a line that has embodied precision and elegance since its introduction in 1952. The Constellation collection was conceived as Omega's showcase for chronometric excellence, and today it continues that legacy by pairing the brand's most advanced movement certification — the Master Chronometer standard, verified by the Swiss Federal Institute of Metrology (METAS) — with designs of unmistakable refinement. This 29mm reference is purpose-built for those who demand both horological integrity and high-jewelry sensibility.

The 29mm case is rendered entirely in Sedna Gold, Omega's exclusive 18-karat rose-gold alloy developed to retain its warm, pink-tinged luster far longer than conventional rose gold. Sedna Gold achieves this through a proprietary blend that resists fading and maintains its rich color over decades of wear, making it not merely a cosmetic choice but a genuine material innovation. Every curve of the Constellation case — from the arched lugs to the iconic claws that grip the bezel — is finished to exacting standards, alternating polished and satin surfaces for depth and visual interest.

The dial is an immediate showstopper: a deep purple surface adorned with diamonds that catch the light from every angle. Purple is an exceptionally rare dial color in haute horlogerie, historically associated with royalty and luxury, and Omega's execution here is immaculate. The diamond-set Sedna Gold bezel frames the dial with an unbroken circuit of brilliant-cut stones, reinforcing the high-jewelry character of this reference while remaining unmistakably a serious watch rather than mere ornamentation.

Powering the 131.58.29.20.60.002 is Omega's Co-Axial Master Chronometer caliber, a movement that has passed the rigorous METAS certification process. Master Chronometer certification requires the movement to demonstrate extreme precision, resistance to magnetic fields of up to 15,000 gauss, and consistent performance across multiple positions and temperatures — standards that exceed traditional COSC chronometer requirements by a significant margin. The Co-Axial escapement, an Omega signature, reduces friction in the gear train and extends service intervals, making this watch as practical as it is beautiful.

On the wrist, the 29mm Sedna Gold case sits elegantly, sized for a refined, close-to-the-wrist profile that suits both formal occasions and elevated everyday wear. The alligator leather strap lends a classical, couture-adjacent touch, complementing the purple dial with a tactile and visual softness that a metal bracelet could not achieve. The overall package — precious metal, diamond appointments, vivid color, and certified movement — places this Constellation at the intersection of fine jewelry and precision timekeeping.

Bizak and Co. is pleased to offer this reference 131.58.29.20.60.002 brand new, providing buyers with the full assurance of an unworn timepiece. Whether you are adding a statement piece to an established collection or seeking the ideal luxury gift, this Omega Constellation represents extraordinary value in Sedna Gold. Visit bizakandco.com to buy online or contact our team directly — we are here to answer every question and ensure your acquisition is seamless.