Omega Seamaster Aqua Terra 150M Co-Axial Chronometer Annual Calendar 38.5mm Stainless Steel Silver Dial Alligator Leather Strap 231.13.39.22.02.001 - BRAND NEW

The Omega Seamaster Aqua Terra 150M is one of the most enduring expressions of Swiss watchmaking at its most balanced: genuinely nautical in origin yet polished enough to accompany a suit. First introduced in the early 2000s, the Aqua Terra line was conceived to bridge the functional heritage of the Seamaster diver family with the elegance required of a true dress watch. Over the years it has become the go-to choice for buyers who want a single timepiece capable of handling every context in daily life, and Omega has continuously evolved it with more advanced movements and complications without ever losing that signature clean legibility.

Reference 231.13.39.22.02.001 represents one of the most compelling chapters in the Aqua Terra story by adding an annual calendar complication to the collection. An annual calendar is a practical masterpiece: it correctly accounts for months of 30 and 31 days automatically, requiring only one manual correction per year at the end of February. For the owner who wants the intelligence of a perpetual calendar without sacrificing ease of use, the annual calendar is the definitive answer, and Omega's implementation keeps the silver index dial clean and uncluttered—a genuine feat of dial architecture.

The 38.5mm stainless steel case hits the sweet spot for wrist presence: substantial enough to read as a statement piece, refined enough to disappear beneath a dress shirt cuff when the moment demands it. The stainless steel bezel is polished and unadorned, reinforcing the watch's versatility, while the alligator leather strap adds an unmistakably dressy character that complements the silver dial's luminous, understated elegance. Every surface transition on the case—from brushed flanks to polished lugs—reflects Omega's meticulous attention to finishing at this price tier.

At the heart of this reference beats Omega's Co-Axial Chronometer movement, certified to COSC standards for daily rate accuracy. The Co-Axial escapement, a technology Omega championed and brought to mass production, dramatically reduces friction between escapement components, which translates to greater long-term accuracy, reduced need for servicing, and better overall longevity compared with traditional Swiss lever escapements. For a buyer seeking a watch engineered for decades of reliable performance, this movement architecture is a meaningful differentiator.

On the wrist, the Aqua Terra 150M 38.5mm with annual calendar reads as quietly authoritative. The silver index dial catches light in a way that feels alive without being flashy, the printed calendar displays integrate seamlessly into the design language, and the alligator strap gives it a feel that no bracelet can replicate—supple, warm, and immediately comfortable. It is a watch that rewards close inspection while never demanding attention.

Bizak & Co. offers this Omega Seamaster Aqua Terra 150M Co-Axial Chronometer Annual Calendar reference 231.13.39.22.02.001 brand new at the best price. Whether you are buying your first serious complication watch or adding a refined workhorse to an established collection, this is a reference worth owning. Reach out to our team at bizakandco.com to confirm availability, ask questions, or complete your purchase with confidence.