OMEGA 123.20.27.20.57.002 CONSTELLATION CO-AXIAL 27mm STEEL AND YELLOW GOLD - BRAND NEW

The Omega Constellation is one of the most storied and enduring dress-watch lines in Swiss horology, introduced in 1952 to celebrate the brand's chronometric achievements. Over seven decades the collection has evolved its signature aesthetic — the medallion caseback, the clawed bezel, and the commitment to precision — while always remaining unmistakably feminine and refined at the smaller case dimensions. The reference 123.20.27.20.57.002 represents the modern expression of that legacy, bringing together precious metal accents and cutting-edge movement technology in a single cohesive package.

At 27mm, the case is sized with the contemporary woman in mind: substantial enough to be noticed on the wrist yet delicate enough to slip effortlessly beneath a cuff. The stainless steel case construction provides long-term durability and resistance to daily wear, while the polished yellow gold bezel — one of the Constellation's most recognizable design signatures — lends undeniable warmth and prestige. The integrated two-tone bracelet, combining yellow gold links with stainless steel, echoes that dual-material harmony and ensures a secure, comfortable fit throughout the day.

The champagne diamond dial is the undisputed focal point of this reference. The warm champagne tone is elevated by diamond hour markers, which catch the light and introduce a level of sparkle rarely found outside dedicated jewellery watches. Every detail, from the applied indices to the dauphine hands, is finished to the meticulous standard that Omega enforces across its entire Constellation range.

Powering this watch is Omega's celebrated Co-Axial movement, a technology that fundamentally changed the watchmaking industry by reducing friction in the escapement. The Co-Axial escapement requires less lubrication than a traditional lever escapement, which means longer service intervals and sustained accuracy over the life of the watch — a genuine engineering advantage, not merely a marketing claim. Wearing a Co-Axial Constellation means you are benefiting from real horological innovation housed in an elegant case.

For collectors and first-time luxury watch buyers alike, the Omega Constellation 123.20.27.20.57.002 occupies a rare sweet spot: it is simultaneously a serious dress watch, a status symbol, and a precision instrument. The combination of diamond dial, yellow gold detailing, and Co-Axial engineering at the 27mm ladies' size is difficult to find at this price point, and availability of brand-new examples is always limited. Bizak & Co. is proud to offer this reference for sale online at a competitive price, backed by our expertise and commitment to authenticity. Reach out to our team to learn more or to secure this Omega Constellation today.