Omega Constellation Co-Axial Master Chronometer 29mm Steel Sedna-Gold Silver Dial 131.28.29.20.52.001

The Omega Constellation is one of the most enduring icons in Swiss watchmaking, tracing its origins to 1952 when Omega introduced a line of precision-certified chronometers that would go on to win Observatory trials across Europe. Over the decades the Constellation has evolved in both size and material vocabulary while retaining its core promise: exceptional accuracy dressed in unmistakably elegant design. The 29mm format offered in this reference 131.28.29.20.52.001 continues that tradition with a silhouette perfectly proportioned for a refined wrist.

The case is crafted from polished and brushed stainless steel measuring 29mm in diameter, a size that sits with understated grace and never overwhelms the wrist. The star-shaped case design—a hallmark of the modern Constellation family—integrates claws that frame the dial and anchor the lugs in a sculptural gesture that is immediately recognizable. The overall finishing alternates between mirror polish and satin brushing, lending the case a multi-dimensional quality that catches the light from every angle.

At the heart of this watch's visual appeal is the interplay between its two principal materials. The bezel is fashioned in Omega's proprietary Sedna gold—a rose-tinted 18-karat gold alloy formulated to resist fading and maintain its warm hue over a lifetime of wear—and set with brilliant-cut diamonds that circle the dial in a continuous ring of light. Against this warm, luminous frame, the silver dial features its own diamond hour markers, creating a layered brilliance that is at once luxurious and legible.

Power comes from Omega's Co-Axial Master Chronometer movement, a technology platform that represents the current state of the art in Swiss horology. The Co-Axial escapement, developed by master watchmaker George Daniels and refined by Omega, dramatically reduces friction and the need for lubrication, contributing to long-term accuracy and reduced service intervals. Master Chronometer certification, issued by the Swiss Federal Institute of Metrology (METAS), means the caliber has passed eight stringent tests including performance in magnetic fields of up to 15,000 gauss—a level of robustness rarely demanded by a dress watch but deeply reassuring to the owner.

The watch is completed by a leather strap that enhances the refined, feminine character of the piece. Leather offers a supple, comfortable wearing experience and underscores the dressier intent of this configuration, complementing the diamonds and Sedna gold rather than competing with them. Whether worn to a gala, a business dinner, or as an everyday expression of quiet luxury, the strap keeps the overall aesthetic grounded and sophisticated.

Bizak & Co. is proud to offer this reference 131.28.29.20.52.001 as a brand-new example, complete with box and papers, at the best available price. Buying from Bizak means working with knowledgeable specialists who can answer every question about this reference, assist with sizing, and ensure your purchase arrives exactly as Omega intended. Reach out to our team or order directly on bizakandco.com to add this exceptional Constellation to your collection.