Omega Constellation Co-Axial Master Chronometer 28mm Sedna Gold Meteorite Grey Dial 131.55.28.60.99.005

The Omega Constellation is one of the most storied watch families in Swiss horology, tracing its origins to 1952 when Omega introduced a line of precision-certified observatory-grade timepieces. Over seven decades the Constellation has evolved into a symbol of elegant accuracy, worn by discerning collectors and style-conscious individuals who refuse to compromise between artistry and technical mastery. Reference 131.55.28.60.99.005 represents the pinnacle of that tradition, bringing together rare materials, extraordinary gem-setting, and Omega's most advanced movement certification in a single 28mm package designed for the modern woman.

The 28mm case is rendered in Omega Sedna Gold, the brand's proprietary 18-karat rose-gold alloy developed in-house to resist fading and maintain its warm, distinctive hue far longer than conventional rose gold. Sedna Gold achieves its remarkable color stability through a precise blend of gold, copper, and palladium, and its use throughout the case, bezel, and integrated bracelet gives the watch an uninterrupted, harmonious presence on the wrist. The Constellation's iconic four-claw "claws" motif on the case flanks — a design detail introduced in 1982 — anchors the piece visually and signals the model's heritage to those who know it.

At the heart of the dial lies one of nature's most compelling canvases: genuine meteorite. Each meteorite grey dial is sliced from iron-nickel meteorite that traveled through space for billions of years before arriving on Earth, meaning no two dials are ever identical. The Widmanstätten crystalline pattern that emerges when the meteorite is cut and treated produces an otherworldly, grey-toned texture that catches light in a way no manufactured material can replicate. Diamonds set directly into the dial surface add brilliance without overwhelming the natural drama of the meteorite, while diamonds also line the Sedna Gold bezel, completing a look that is genuinely one of a kind.

Powering the watch is Omega's Co-Axial Master Chronometer movement, a movement architecture that represents the highest level of mechanical certification in the Swiss watch industry. The Co-Axial escapement, pioneered by Omega, dramatically reduces friction at the escapement wheel, extending service intervals and improving long-term accuracy. Master Chronometer certification, issued by METAS (the Swiss Federal Institute of Metrology), requires the movement to pass eight stringent tests including accuracy to within 0 to +5 seconds per day, resistance to magnetic fields of 15,000 gauss, and water-resistance verification — making this watch not only beautiful but genuinely robust and precise.

On the wrist, the 28mm case size is ideally proportioned for a refined, feminine fit — present and polished without overpowering the wrist. The fully integrated Sedna Gold bracelet flows seamlessly from the case, a hallmark of Constellation design that speaks to decades of thoughtful ergonomic refinement. Whether worn with evening attire or elevated daywear, the 131.55.28.60.99.005 commands attention through understatement: it is the choice of someone who appreciates genuine rarity over mere expense.

Bizak & Co. offers this reference 131.55.28.60.99.005 brand new, giving buyers the confidence of full manufacturer warranty and an undisrupted ownership experience. Our team of experienced watch specialists is available to answer questions, arrange a private viewing, or guide you through purchase. When you buy from Bizak & Co., you are not simply acquiring a watch — you are partnering with a trusted dealer whose reputation is built on authenticity, transparency, and an enduring passion for fine horology. Reach out today and let us help you secure this extraordinary Omega Constellation.