Omega Aqua Terra 150M Co-Axial Chronometer Steel/Rose Gold 41.5mm Grey Dial Steel Bracelet 231.20.42.21.06.0020 - BRAND NEW

The Omega Aqua Terra 150M is one of the most versatile and enduring references in contemporary Swiss watchmaking, bridging the gap between a true diver-inspired sports watch and an elegant dress timepiece with effortless authority. Introduced as part of Omega's Seamaster family, the Aqua Terra line draws its character from a deep connection to the sea while remaining polished enough to wear with a suit. Reference 231.20.42.21.06.002 represents a particularly compelling expression of that philosophy, combining a stainless steel and 18k red gold construction with a beautifully appointed grey dial and warm rose gold details.

At 41.5mm the case occupies exactly the right footprint for modern wrists—substantial and confident without crossing into oversized territory. The stainless steel case is integrated with 18k red gold crown guards, lugs, and the characteristic domed bezel, creating the two-tone contrast that has made bi-metal Aqua Terra references so sought after in the secondary and primary markets alike. The case proportions also reflect Omega's ongoing commitment to the 150-meter water-resistance standard that defines the Aqua Terra line, meaning this is a watch engineered to live an active life.

The grey dial with brown indexes is one of the more restrained and sophisticated color pairings Omega has offered in the Aqua Terra collection. The vertical brushed 'teak' pattern on the dial—an iconic Aqua Terra design signature inspired by the wooden decking of a classic sailboat—adds texture and depth without distracting from legibility. Brown indexes complement the warmth of the red gold hardware beautifully, giving the dial a coherent palette that reads as luxurious rather than flashy.

Powering reference 231.20.42.21.06.002 is an Omega Co-Axial Chronometer movement, a technology Omega developed in partnership with the late watchmaker George Daniels. The Co-Axial escapement reduces sliding friction between lever and escape wheel compared to a traditional Swiss lever escapement, resulting in improved long-term accuracy and less need for frequent servicing. Chronometer certification from COSC confirms that this movement meets exacting daily rate standards, placing it among the most reliable automatic movements available at this price point.

On the wrist the Aqua Terra 150M on its stainless steel bracelet strikes a balance that few watches manage convincingly: sporty enough to wear diving or sailing, elegant enough for formal occasions, and robust enough for daily wear over years and decades. The integrated bracelet design flows naturally from the lugs and sits flush and comfortable on the wrist, further enhanced by Omega's fine-brushed and polished finishing that echoes the case treatment.

Bizak & Co. is pleased to offer this brand-new Omega Aqua Terra 150M reference 231.20.42.21.06.002 at competitive pricing. Whether you are a seasoned collector adding a versatile two-tone sports watch to your rotation or a first-time luxury watch buyer seeking an iconic Swiss name with proven technology, this reference delivers exceptional value. Explore this listing at bizakandco.com or reach out to our team directly to discuss availability, pricing, and delivery options.