Omega Seamaster Aqua Terra Co-Axial Master Chronometer 150M Moonshine Gold 30mm Green Dial 220.55.30.20.60.001 - BRAND NEW Omega Seamaster Aqua Terra Co-Axial Master Chronometer…

The Omega Seamaster Aqua Terra is one of the most enduring and versatile collections in modern Swiss watchmaking, first introduced to bridge the brand's celebrated maritime heritage with the demands of contemporary daily life. Positioned between the professional Seamaster 300M and the dressy De Ville, the Aqua Terra has carved out a loyal following among collectors who want a water-resistant, METAS-certified timepiece that transitions seamlessly from boardroom to boat deck. Reference 220.55.30.20.60.001 represents the very pinnacle of this lineage: a 30mm statement in Omega's exclusive Moonshine Gold alloy, offered brand new with full box and papers.

Moonshine Gold is Omega's own proprietary 18-karat yellow-gold alloy, engineered in-house to retain its warm, pale-yellow lustre significantly longer than standard yellow gold. The alloy's specific composition is a closely guarded Omega trade secret, but the result is a metal that resists the fading and colour shift that can affect conventional gold over time. On ref. 220.55.30.20.60.001, Moonshine Gold is used throughout — the 30mm case, the Aqua Terra's signature horizontal-stripe-inspired bezel, and the fully integrated bracelet — creating a harmonious, monochromatic luxury aesthetic that is immediately recognisable.

The dial of this reference is a deep, rich green set with diamonds, a combination that has become one of the most sought-after configurations in the current Aqua Terra lineup. The green hue references the ocean and the natural world, while the diamond indices add a level of haute horology refinement that underscores the watch's position as a fine jewellery timepiece as much as a precision instrument. The overall result is a dial with extraordinary visual depth, one that rewards close inspection under changing light conditions.

At the heart of this reference is Omega's Co-Axial Master Chronometer movement, a designation that carries real meaning. Master Chronometer certification, issued by METAS — the Swiss Federal Institute of Metrology — is the industry's most stringent independent testing standard, requiring the movement to demonstrate accuracy, anti-magnetic resistance, and performance across eight demanding tests. The Co-Axial escapement, pioneered by Omega and watchmaker George Daniels, reduces friction between components for longer service intervals and exceptional long-term reliability, making this watch as capable as it is beautiful.

The 30mm case diameter is thoughtfully sized for the wearer who prefers a refined, proportional fit on smaller wrists, and the Moonshine Gold bracelet's polished and satin-finished links deliver a supremely comfortable and secure wearing experience. With 150 metres of water resistance, the Aqua Terra 150M remains true to its Seamaster DNA — this is not merely a dress watch but a fully capable companion for an active, water-adjacent lifestyle. Whether worn poolside, on a sailing yacht, or at a formal dinner, ref. 220.55.30.20.60.001 commands attention without effort.

Bizak & Co. is proud to offer this reference brand new, complete with Omega box and papers, ensuring you receive the full manufacturer's warranty and the peace of mind that comes from purchasing through an authorised and trusted luxury watch dealer. Our team of specialists is available to answer any questions, discuss trade-ins, or arrange secure insured shipping anywhere in the United States. Buy the Omega Seamaster Aqua Terra 220.55.30.20.60.001 online at bizakandco.com or reach out directly — we look forward to placing this exceptional watch on your wrist.