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Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Red Gold Black Dial Diamond Set Index Steel Bracelet 231.20.39.21.51.003 - BRAND NEW

Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Red Gold Black Dial Diamond Set Index Steel Bracelet 231.20.39.21.51.003 - BRAND NEW Omega Seamaster Aqua Terra 150M Omega Co-Axial…

Reference 231.20.39.21.51.003

Full watch configuration

Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Red Gold Black Dial Diamond Set Index Steel Bracelet 231.20.39.21.51.003 - BRAND NEW

$7,499.00
Requested condition
Brand New
Requested accessories
Not Specified

By Omega

Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.

Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.

Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Red Gold Black Dial Diamond Set Index Steel Bracelet 231.20.39.21.51.003 - BRAND NEW

Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Red Gold Black Dial Diamond Set Index Steel Bracelet 231.20.39.21.51.003 - BRAND NEW

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Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Red Gold Black Dial Diamond Set Index Steel Bracelet 231.20.39.21.51.003 - BRAND NEW

Catalogue watch price: $7,499.00 USD

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The Omega Seamaster Aqua Terra 150M ref. 231.20.39.21.51.003 is a brand-new 38.5mm stainless steel dress-sport watch featuring a striking black diamond-set dial and a contrasting red gold bezel. Powered by the Omega Co-Axial movement, it pairs refined elegance with the technical credibility the Aqua Terra line is renowned for. The stainless steel bracelet completes a versatile, polished aesthetic that transitions effortlessly from boardroom to waterfront.

This reference is offered for sourcing on request. Contact Bizak & Co. to confirm availability, the specific watch, condition, included accessories and final price before purchase.

Compare it across every Seamaster Aqua Terra 150M reference we carry, or browse the full Omega collection at Bizak & Co.

Buy this Seamaster Aqua Terra 150M, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.

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The Omega Seamaster Aqua Terra 150M is one of the most enduring expressions of Omega's ability to fuse sport utility with refined, dress-watch sophistication. Introduced as part of the broader Seamaster family — a lineage stretching back to 1948 — the Aqua Terra was conceived as a watch equally at home on the wrist of a sailor, a professional, or a collector who demands both beauty and robustness. The "150M" designation signals a meaningful water-resistance rating well suited to an active lifestyle, while the clean horizontal "teak" concept lines on the dial pay quiet homage to the wooden decks of luxury yachts. Reference 231.20.39.21.51.003 represents one of the more distinctive expressions within the Aqua Terra catalogue, combining materials and finishing choices that push it firmly into luxury-statement territory.

At 38.5mm, the case diameter occupies a sweet spot that the watch industry increasingly recognizes as ideal for both men who prefer a refined, understated presence and women who seek a substantial yet wearable sport-luxury piece. The stainless steel case is crafted to Omega's exacting standards, with brushed and polished surfaces that catch the light at every angle. The proportions feel contemporary without chasing size for its own sake, sitting close to the wrist and wearing with a confidence that larger cases sometimes sacrifice.

The dial of this reference is where the watch announces itself most boldly. A deep black background provides the perfect canvas for diamond-set hour indices, each stone selected and set to Omega's quality standards so that they sparkle consistently without overpowering the overall composition. The warmth of the red gold bezel creates a rich, two-tone contrast against the steel case that is far more nuanced than a simple bi-metal construction — it reads as intentional artistry rather than adornment for adornment's sake. Together, dial and bezel make this one of the most visually compelling references in the Aqua Terra family.

Underneath the dial, the watch is driven by an Omega Co-Axial movement. The Co-Axial escapement is one of Omega's signature technological achievements, a mechanism that reduces friction within the escapement wheel and lever system, leading to improved long-term accuracy and extended service intervals compared with conventional lever escapements. Omega has integrated Co-Axial technology throughout its professional and luxury lines as a mark of genuine mechanical advancement, and its presence here confirms that this is not merely a jeweled fashion watch but a precision instrument with serious horological credentials.

The stainless steel bracelet is designed to integrate seamlessly with the case, continuing the brushed-and-polished surface treatment for a cohesive look on the wrist. The bracelet provides durability and comfort in equal measure and complements the bi-material aesthetic of the red gold bezel and steel case — understated where the dial is expressive. For collectors and first-time Omega buyers alike, this combination of bracelet, case, and dial creates a watch that photographs beautifully and wears even better in person.

Bizak & Co. is pleased to offer this reference 231.20.39.21.51.003 in brand-new condition, meaning the watch arrives exactly as Omega intended — pristine, unaltered, and ready to be enjoyed from the first moment it touches your wrist. When you buy this Omega Seamaster Aqua Terra online through bizakandco.com, you are dealing with an experienced luxury watch specialist committed to authenticity, transparent pricing, and exceptional service. Whether you are adding to a growing collection or purchasing your first serious Swiss watch, this is a reference worth owning — reach out to our team today and we will be glad to assist you.

Technical Details
Reference
231.20.39.21.51.003
Model
Seamaster Aqua Terra 150M
Movement
Automatic
Case material
Stainless Steel
Bracelet material
Stainless Steel
Dial
Black diamond-set
Case size
38mm
Requested condition
Brand New
Requested accessories
Not Specified
FAQ

1. What makes the Omega Seamaster Aqua Terra 231.20.39.21.51.003 special?
This reference stands out for its rare combination of a black diamond-set dial, a contrasting red gold bezel, and a stainless steel case — a pairing that gives the Aqua Terra a luxury-statement presence uncommon in the sport-watch segment. The Co-Axial movement adds genuine horological credibility beyond the aesthetics. It is one of the more distinctive and collectible configurations in the Aqua Terra lineup.

2. What movement powers the Omega Seamaster Aqua Terra 231.20.39.21.51.003?
This watch is powered by an Omega Co-Axial movement, a technology Omega developed to reduce friction in the escapement and improve long-term precision and service intervals. The Co-Axial escapement is one of the brand's most celebrated technical achievements and is found across Omega's professional and luxury collections. Its presence here confirms this is a precision Swiss mechanical timepiece, not simply a decorative piece.

3. What is the case size of this Omega Aqua Terra?
The case measures 38.5mm in diameter and is crafted in stainless steel. This size is widely regarded as a versatile, elegant dimension that suits a broad range of wrist sizes and wears well in both formal and casual settings. The proportions keep the watch refined and close to the wrist for all-day comfort.

4. Is the Omega Seamaster Aqua Terra 150M good for everyday wear?
Yes — the Aqua Terra 150M is designed with everyday versatility in mind, combining a robust stainless steel construction with a water-resistance rating indicated by its 150M designation. The stainless steel bracelet and durable case make it resilient enough for active daily use, while the diamond-set dial and red gold bezel give it the elegance to pair with formal attire. It is genuinely a watch that moves between occasions without compromise.

5. What is the dial like on the 231.20.39.21.51.003?
The dial features a deep black background with diamond-set hour indices, giving it a rich, luminous quality that reads clearly while adding unmistakable luxury character. The diamonds are set in a manner consistent with Omega's quality standards, ensuring even brilliance. The black dial contrasts beautifully with the warm red gold bezel surrounding the case, creating a striking and sophisticated overall appearance.

6. How can I buy the Omega Seamaster Aqua Terra 231.20.39.21.51.003 from Bizak & Co.?
You can purchase this brand-new Omega Seamaster Aqua Terra reference 231.20.39.21.51.003 directly at bizakandco.com, where Bizak & Co. offers it at a competitive price with full assurance of authenticity. Simply visit the product page and use the contact or purchase options provided, or reach out to our team directly with any questions. We are a specialist luxury watch dealer dedicated to making your buying experience straightforward and confident.

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Our five-year Bizak & Co. warranty covers manufacturing defects affecting mechanical operation under normal use, starting on delivery. It is separate from any remaining manufacturer warranty.

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90-Day Returns for Store Credit

Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

Read eligibility, condition requirements, and exclusions.

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U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

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