Omega Aqua Terra 231.53.42.22.02.001: Specs and Buying Guide

The Omega Seamaster Aqua Terra 150M 231.53.42.22.02.001 is a 41.5mm red-gold dress-sports watch with a silver dial, a day-date display and an automatic Co-Axial chronometer movement, worn on a brown alligator strap with a red-gold folding clasp. It sits at the top of the current Aqua Terra Day-Date family, above steel and steel-and-gold versions that share the same case shape and calendar layout. This guide covers the specifications, what "Co-Axial Chronometer" and the teak-pattern dial actually mean, how the red-gold model compares with steel and two-tone siblings, how it wears, price context and what to check before buying. Bizak & Co. sources the 231.53.42.22.02.001 to order; the Aqua Terra collection lists the configurations we can seek.

Last reviewed on September 28, 2026 by Filip Biczak. Prices are dated observations, not quotes.

Omega Aqua Terra 231.53.42.22.02.001 specifications

Source: Omega's exact-reference specification record for the 231.53.42.22.02.001, and the Contrôle officiel suisse des chronomètres (COSC) for background on the third-party testing standard behind the "chronometer" designation Omega applies to this movement.

What does "Co-Axial Chronometer" mean, and what is the teak dial pattern?

"Co-Axial" refers to the escapement design developed by the British watchmaker George Daniels and adopted by Omega from the early 2000s onward, which reduces friction between the escape wheel and pallet compared with a traditional Swiss lever escapement, intended to extend service intervals. "Chronometer" is a separate, older designation: a movement tested and certified to a precision standard by COSC, an independent Swiss body, before it is cased. Omega's current in-house calibres, including the 8612 in this reference, combine both, so "Co-Axial Chronometer" on the dial describes the escapement type and the independent accuracy certification together, not two names for the same thing. The dial's vertical ribbing, known as the teak pattern, is a design signature borrowed from the deck planking of a wooden sailing yacht, in keeping with the Aqua Terra's nautical rather than dive-watch identity; the pattern is achieved by stamping rather than by any functional element of the movement.

Where does the Aqua Terra sit within Omega's Seamaster family?

Omega groups several distinct watch families under the Seamaster name, and the Aqua Terra is the least sporty of them. The Seamaster Diver 300M is built and rated for diving; the Seamaster Planet Ocean sits between the two in size and depth rating; the Aqua Terra 150M carries a nominal water resistance intended to cover everyday exposure to water rather than diving, and its case, dial language and strap and bracelet options are designed to move between the office and the weekend rather than to serve as a tool watch. That positioning is why the teak dial and the day-date complication on this reference read as design and convenience choices rather than functional necessities, and why Omega offers the Aqua Terra in gold cases and on leather straps in a way it generally does not for the Diver 300M. Buyers who specifically want dive-rated water resistance and a rotating bezel should compare the Diver 300M instead; the Aqua Terra name signals a different set of priorities even within Omega's own range.

Red gold vs steel vs two-tone: the Aqua Terra Day-Date family

All five references share the 41.5mm Day-Date case and the same calibre 8612 movement; the price moves with case metal rather than with any change in mechanics. Moving from the plain steel case to the steel-and-gold version adds a modest premium; the fully solid red-gold case, whether on the silver or grey dial, costs roughly double the two-tone version and more than double the plain steel model in Bizak's catalogue. The silver and grey dials on the red-gold case are priced identically, so the choice between them is purely one of appearance rather than cost.

Is the 231.53.42.22.02.001 a good alternative to a steel Aqua Terra?

It is a different watch for a different purpose rather than a straightforward upgrade. The steel Aqua Terra Day-Date is one of Omega's more versatile everyday watches, at home on a bracelet with a suit or with weekend clothing; the solid red-gold version, worn here on alligator leather, reads more formally and is priced for buyers who specifically want the case in gold rather than steel with gold accents. Anyone deciding between this reference and the two-tone 231.23.42.22.06.001 should handle both, since the two-tone case reads closer to a steel sports watch on the wrist despite sharing this reference's grey dial option, while the solid red-gold case is unambiguously a gold dress watch. Buyers who want the widest range of strap and bracelet options should compare against the steel references, which Omega and third-party strap makers support more broadly than the gold case. Cost of ownership is worth weighing too: a solid gold case is more expensive to service and to insure than steel, and a scratch or knock is a more consequential repair on a gold case than on brushed steel, which some buyers factor into the decision alongside the purchase price itself.

How does the Aqua Terra Day-Date wear?

At 41.5mm with a lug-to-lug of 48.60mm and a thickness of 14.03mm, the case sits close to the wrist for its diameter, a proportion typical of the Aqua Terra line generally rather than specific to the gold version. Red gold is denser than steel, so this reference carries more weight than the steel or two-tone equivalents of the same case, noticeably so once the folding clasp and full strap length are accounted for. The alligator strap is more formal in appearance than the steel Aqua Terra's brushed bracelet and needs the usual care around water and prolonged sun exposure that any leather strap requires. The 150m water resistance is a nominal case rating rather than a statement about the leather strap's suitability for swimming. Owners who want to swim or shower with the watch regularly are better served by the steel bracelet references, since leather is the limiting factor rather than the case itself; the alligator strap here is best treated as a dress accessory to be kept away from prolonged water exposure regardless of the case's rated depth.

How much is the Omega Aqua Terra 231.53.42.22.02.001?

Bizak's sourced catalogue listed the 231.53.42.22.02.001 brand new at US$16,299 on 28 September 2026, sourced to order. Within the same catalogue check, the steel silver-dial 231.10.42.22.02.001 asked US$6,399 and the steel-and-red-gold 231.23.42.22.06.001 asked US$8,699, which frames how much of the price on this reference is the solid gold case rather than the movement or complication. Treat these as dated observations rather than standing quotes; Omega's own retail pricing and Bizak's sourced figures both move with the market and with configuration. Condition, completeness of box and papers, and the state of the alligator strap all move a pre-owned quote away from these brand-new figures.

Buying checks for the 231.53.42.22.02.001

• Reference match. Confirm the exact reference on the case back matches the papers offered; the 02 and 06 dial-code suffixes and the 10, 23 and 53 case-material codes across this family denote different specifications at different prices.
• Day-date function. Have the day and date correctors demonstrated; both should change cleanly at midnight and be quick-set from the crown.
• Strap and clasp. Inspect the alligator strap for cracking near the lugs and confirm the red-gold folding clasp closes securely and shows no excessive wear on the finish.
• Case and teak dial. Check the case edges for polishing that would round off the original brushed and polished finishes, and confirm the teak pattern is even and undamaged.
• Service history. Ask for the last service date and receipt for the automatic Co-Axial calibre 8612 movement.
• Total cost. Confirm the watch price and any applicable taxes or import charges before proceeding.

Quick answers

How much is the Omega Aqua Terra 231.53.42.22.02.001?

Bizak's sourced catalogue listed it at US$16,299 brand new on 28 September 2026, sourced to order.

What does Co-Axial Chronometer mean?

Co-Axial describes the low-friction escapement design Omega uses in this movement; chronometer means the movement was independently tested and certified for accuracy by COSC before casing. This reference combines both.

Is this Aqua Terra 41.5mm?

Yes. Omega specifies a 41.5mm case for the 231.53.42.22.02.001, with a 48.60mm lug-to-lug and 14.03mm thickness.

Does the Aqua Terra Day-Date come in steel?

Yes. The 231.10.42.22.02.001 and 231.10.42.22.03.001 share the same case shape and calibre 8612 movement in steel, priced well below the red-gold versions.

What is the teak pattern on the dial?

Vertical ribbing stamped into the dial, inspired by the deck planking of a wooden sailing yacht, in keeping with the Aqua Terra's nautical design language.

Reserve the Aqua Terra 231.53.42.22.02.001

View the current price and reserve with $200. The deposit applies to your purchase and is refundable if Bizak cannot fulfill the order. Compare it with the steel 231.10.42.22.02.001 and the two-tone 231.23.42.22.06.001, or browse the Aqua Terra collection and the wider Omega collection. To part-exchange a current watch, see sell or trade your watch. For sourcing details specific to this reference, use our sourcing enquiry form.

Related reading: Rolex Datejust 41 126331 guide · Rolex Explorer 224270 guide · Patek Philippe watch prices · Authenticity guarantee.