Omega Speedmaster Heritage Mark II Co-Axial Chronometer Chronograph 42.4x46.2mm Stainless Steel-Sedna Gold Grey Dial 327.20.43.50.01.001 - BRAND NEW

The Omega Speedmaster Heritage Mark II 327.20.43.50.01.001 is one of the most distinctive references in the entire Speedmaster family, reviving the angular, cushion-shaped case architecture of the original Mark II introduced in 1969. Where the classic round Speedmaster became synonymous with the Moon, the Mark II was conceived with motorsport in mind, its broader lugs and wider crown guards giving it an unmistakably aggressive, technical character. This brand-new example honors that legacy faithfully while elevating the specification with Omega's Sedna Gold — a proprietary 18-karat rose-gold alloy engineered for exceptional color stability and scratch resistance over the long term.

At 42.4x46.2mm, the case dimensions reflect the Mark II's signature cushion tonneau profile, which wears considerably more dynamically on the wrist than a standard round case of similar lug-to-lug length. The combination of brushed and polished stainless steel with warm Sedna Gold accents carries through from the case to the integrated bracelet, creating a cohesive two-tone aesthetic that feels simultaneously sporty and luxurious. The grey index dial is legible, purposeful, and entirely in keeping with the instrument-watch ethos that has always defined the Speedmaster line.

Powering this reference is Omega's Co-Axial Chronometer Chronograph movement, a designation that tells buyers a great deal in just a few words. Co-Axial escapement technology, developed by master watchmaker George Daniels and adopted by Omega, significantly reduces friction in the escapement, extending service intervals and contributing to long-term rate stability. Chronometer certification from COSC confirms that the movement meets the industry's most demanding precision standards, making this watch as accurate and reliable as it is beautiful.

On the wrist, the Speedmaster Heritage Mark II 327.20.43.50.01.001 projects confident presence. The steel-Sedna Gold bracelet drapes naturally and the pushers fall intuitively under the fingers, a reminder that chronograph functionality remains central to this watch's identity. The grey dial keeps legibility high in varied lighting conditions while the warm Sedna Gold indices and hands add a layer of visual warmth that elevates the watch above a purely utilitarian timepiece. This is a watch equally suited to trackside wear and a well-set dinner table.

The Speedmaster Heritage Mark II occupies a rare position in Omega's catalog: it appeals to serious collectors who appreciate the historical significance of the Mark II lineage, to chronograph enthusiasts who demand genuine Co-Axial precision, and to style-conscious buyers drawn to the unusual two-tone steel and Sedna Gold execution. It is not a watch produced in enormous quantities and its distinctive case shape ensures it will never be confused with anything else on the market.

Bizak & Co. is proud to offer this brand-new Omega Speedmaster Heritage Mark II reference 327.20.43.50.01.001 at competitive pricing with the confidence and expertise of an established luxury watch dealer. Our team is available to answer any questions, provide additional images, or assist with purchase logistics — contact us directly through bizakandco.com to secure this exceptional piece for your collection.