Omega Seamaster Aqua Terra 150M Co-Axial Chronometer GMT Chronograph Stainless Steel 43mm Blue Dial Steel Bracelet 231.10.43.52.03.001 - BRAND NEW

The Omega Seamaster Aqua Terra 150M is one of the most enduring expressions of Omega's philosophy that a watch should be equally at home in the boardroom and on the water. Born from the storied Seamaster lineage—a family that traces its roots to 1948—the Aqua Terra line refines the sporty DNA of its ancestors into a watch with clean horizontal-stripe dial architecture, a water-resistant case, and movement technology that set a new benchmark for mechanical timekeeping when Omega introduced the Co-Axial escapement to the world.

Reference 231.10.43.52.03.001 is the GMT Chronograph edition, an ambitious specification that layers two highly practical complications onto the Aqua Terra platform. The 43mm stainless steel case wears the line's signature domed bezel in polished steel, presenting a dressy silhouette despite the watch's considerable technical content. Every surface is finished to Omega's exacting standards, with alternating brushed and polished links on the integrated stainless steel bracelet creating visual depth that elevates everyday wrist presence.

The blue dial is a standout feature of this reference. Rendered in a rich, saturated hue, it carries index hour markers that catch the light cleanly, ensuring legibility whether you are checking the time at a glance or reading a second time zone and elapsed chronograph minutes simultaneously. The GMT hand adds a second time zone at a glance, while the chronograph registers are laid out with the measured clarity Omega is known for—function never compromising form.

At the heart of this watch beats Omega's Co-Axial Chronometer movement, a technology that fundamentally reduces friction in the escapement, dramatically lowering the rate of wear and the frequency of servicing compared to a traditional lever escapement. Co-Axial movements are submitted to the COSC—the Official Swiss Chronometer Testing Institute—for rigorous independent rate certification, meaning this watch carries a verified accuracy standard. For the buyer, this translates into a timepiece that will hold its rate reliably for years and decades, anchoring long-term value.

The Seamaster Aqua Terra 150M GMT Chronograph occupies a rare position in Omega's catalogue: it is simultaneously a refined dress watch, a serious traveler's tool, and a fully capable chronograph. The 43mm case size gives it authority on a wide range of wrist sizes, and the stainless steel construction ensures durability without adding unnecessary weight. For collectors stepping into this reference for the first time or expanding a dedicated Omega collection, the blue dial variant in steel is consistently one of the most sought-after configurations in the modern Aqua Terra range.

Bizak & Co. offers this reference 231.10.43.52.03.001 brand new, ensuring you receive the watch in pristine, unregistered condition. Our team of specialist advisors is available to answer every question about specification, service history expectations, or bracelet sizing before you commit. Buy online with confidence at bizakandco.com or reach out directly—we are committed to delivering an ownership experience that matches the caliber of the watch itself.