Omega Seamaster Aqua Terra 150M Co-Axial Chronometer Annual Calendar 43mm Stainless Steel Red Gold Grey Dial Steel Red Gold Bracelet 231.20.43.22.06.002 - BRAND NEW

The Omega Seamaster Aqua Terra 150M is one of the most enduring and versatile sport-dress watches in modern Swiss watchmaking. Introduced as the land and sea counterpart to the Seamaster Professional line, the Aqua Terra has earned a devoted following for its refined horizontal "teak" deck-inspired dial motifs, refined case geometry, and the credibility of Omega's Master Co-Axial movement platform. Reference 231.20.43.22.06.002 represents one of the most technically ambitious executions of the Aqua Terra concept, pairing the elegance of a two-tone precious metal and steel build with the practicality of an annual calendar complication.

At 43mm in diameter, this Aqua Terra commands a confident wrist presence that reads as modern and assertive without crossing into oversized territory. The stainless steel case is accented throughout with 18-karat red gold — a warm, contemporary choice that elevates the watch above a standard steel piece while retaining the durability and sporting sensibility that defines the Seamaster family. The red gold bezel frames the grey index dial with a sophisticated contrast, the warm tone of the gold playing beautifully against the cool, understated grey surface.

The grey index dial is clean and legible, with applied hour markers that carry that characteristic Omega refinement. The annual calendar complication is integrated into the dial architecture with Omega's typically disciplined approach to information hierarchy — the wearer can read the date and calendar display at a glance without the dial feeling cluttered. This is a complication that earns its presence, requiring only a single correction per year (at the turn of February into March), making it supremely practical for daily wear.

Powering the watch is Omega's Co-Axial chronometer movement, a technology developed in partnership with master watchmaker George Daniels and adopted by Omega in the late 1990s. The Co-Axial escapement dramatically reduces friction within the gear train, extending service intervals and enhancing long-term rate stability compared to a conventional Swiss lever escapement. Chronometer certification means the movement has been independently verified by COSC to meet strict precision standards across temperature and positional variation — a meaningful guarantee of performance.

The two-tone steel and red gold bracelet completes the package with a cohesive, polished aesthetic. The alternating brushed and polished surfaces give the bracelet a sense of depth and luxury, while the integrated taper into the case ensures a seamless silhouette on the wrist. As a brand-new example, reference 231.20.43.22.06.002 is offered complete with Omega's original box and papers, providing full manufacturer's warranty coverage and complete provenance for the discerning collector or first-time Omega buyer.

Bizak & Co. is pleased to offer this reference as a brand-new, fully sealed example at a competitive price. Whether you are a seasoned collector adding a complication piece to your rotation or a buyer seeking a singular dress-sport watch that will perform and impress for decades, the Omega Seamaster Aqua Terra 150M Annual Calendar in steel and red gold is a purchase you will not regret. Reach out to our team at bizakandco.com for pricing, availability, and any questions — we are here to help you buy with total confidence.