Omega 123.15.27.20.05.001 Constellation Co-Axial 27mm Steel - BRAND NEW

The Omega Constellation is one of the most storied lines in Swiss watchmaking, introduced in 1952 to celebrate the brand's precision chronometry achievements. Characterized by its distinctive case architecture, integrated bracelet, and iconic "claws" gripping the sapphire crystal, the Constellation has evolved over seven decades while retaining a core identity of dressy refinement and horological integrity. The 27mm case size has become the signature women's expression of the line, pairing a wearable, elegantly proportioned silhouette with Omega's most sophisticated movement technology.

Reference 123.15.27.20.05.001 exemplifies what the contemporary Constellation does best. The 27mm stainless steel case is polished to a mirror finish that catches the light from every angle, while the integrated stainless steel bracelet flows seamlessly from the lugs in the manner that has defined Constellation design since the 1980s. At 27mm, the watch sits perfectly on a refined wrist—substantial enough to read with clarity, compact enough to slide beneath a cuff or layer with fine jewelry.

The white mother of pearl dial is the visual centerpiece of this reference. Mother of pearl is prized in haute horology for its natural, shifting iridescence—no two dials are ever identical, giving each watch a subtle uniqueness. The luminous depth of the dial background creates a striking contrast against the hour markers and hands, ensuring legibility while maintaining an unmistakably luxurious aesthetic. This is a dial that rewards close inspection under different lighting conditions throughout the day.

Encircling that dial is a factory-set diamond bezel, one of the details that elevates ref. 123.15.27.20.05.001 into genuine jewelry-watch territory. Omega selects and sets each diamond with exacting standards, and the result is a continuous ring of brilliance that frames the mother of pearl beautifully. Together, the diamond bezel and MOP dial make this Constellation equally appropriate for a formal evening occasion or an elevated everyday look.

Powering the watch is Omega's Co-Axial escapement, the proprietary technology licensed from watchmaker George Daniels and refined by Omega into a manufacturing-scale breakthrough. The Co-Axial system dramatically reduces sliding friction in the escapement compared to the traditional lever escapement, translating into longer service intervals and sustained long-term accuracy—a meaningful advantage for a watch worn daily. This movement technology places the Constellation far above comparable dress watches in its class.

At Bizak & Co., this Omega Constellation ref. 123.15.27.20.05.001 is offered brand new, giving the buyer full confidence in its condition, authenticity, and manufacture warranty coverage. Whether you are searching to buy online or prefer to speak with our specialists directly, Bizak & Co. provides a premium purchasing experience with transparent pricing. This is a watch that combines genuine watchmaking heritage, diamond-set luxury, and Co-Axial precision into a single, immediately wearable package—one of the most compelling options available in the women's luxury watch market today.