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Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Yellow Gold Grey Dial Steel Bracelet 231.20.39.21.06.004 - BRAND NEW

Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Yellow Gold Grey Dial Steel Bracelet 231.20.39.21.06.004 - BRAND NEW Omega Seamaster Aqua Terra 150M Omega Co-Axial…

Reference 231.20.39.21.06.004

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Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Yellow Gold Grey Dial Steel Bracelet 231.20.39.21.06.004 - BRAND NEW

$6,199.00
Requested condition
Brand New
Requested accessories
Full Set

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 Yellow Gold Grey Dial Steel Bracelet 231.20.39.21.06.004 - BRAND NEW

Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Yellow Gold Grey Dial Steel Bracelet 231.20.39.21.06.004 - BRAND NEW

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Omega Seamaster Aqua Terra 150M Omega Co-Axial 38.5mm Stainless Steel Yellow Gold Grey Dial Steel Bracelet 231.20.39.21.06.004 - BRAND NEW

Catalogue watch price: $6,199.00 USD

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The Omega Seamaster Aqua Terra 150M ref. 231.20.39.21.06.004 is a brand-new 38.5mm stainless steel luxury sports watch featuring a refined grey index dial, a striking yellow gold bezel, and Omega's acclaimed Co-Axial movement. The two-tone combination of polished steel and yellow gold hardware gives this reference a sophisticated versatility that moves effortlessly from boardroom to waterfront.

What sets this reference apart is its balanced 38.5mm case size — a dimension that flatters a wide range of wrist sizes without sacrificing presence — paired with the prestigious Co-Axial escapement technology that sets Omega apart from the competition. Available now at Bizak and Co., contact us today to secure this reference at the best price with full manufacturer box and papers.

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 versatile and enduring collections in Omega's modern catalogue, conceived to bridge the gap between a serious sports timepiece and a polished dress watch worthy of any occasion. The Aqua Terra line takes its name from its dual identity — equally at home on land and sea — and the 150M designation reflects its impressive water resistance, making it a genuine tool watch dressed in luxury clothing. Reference 231.20.39.21.06.004 represents this philosophy at its most refined, combining premium materials with Omega's celebrated movement technology in a package that is as functional as it is beautiful.

At 38.5mm, the stainless steel case of this reference occupies a sweet spot in modern watch sizing. It is large enough to make a confident statement yet refined enough to slip beneath a dress shirt cuff with complete ease. The case is crafted from high-grade stainless steel, offering excellent corrosion resistance and a weighty, substantial feel on the wrist that communicates quality from the moment you fasten the bracelet. The proportions are a deliberate nod to a more classic era of sports watchmaking, and collectors who have grown weary of oversized cases will find this 38.5mm format deeply satisfying.

The grey index dial is the visual centerpiece of this reference and one of its most compelling attributes. Grey dials occupy a rare middle ground in horology — they are neither as casual as black nor as dressy as white or silver, lending them an understated sophistication that works across contexts. Applied indices catch the light with precision, ensuring legibility in any lighting condition, while the overall dial architecture is clean and uncluttered in the true Omega tradition. The contrast introduced by the yellow gold bezel elevates the palette considerably, adding warmth and luxury to what might otherwise be a purely utilitarian aesthetic.

Powering this watch is Omega's Co-Axial movement, a technology that represents one of the most significant advances in mechanical watchmaking of the past several decades. The Co-Axial escapement, developed by master watchmaker George Daniels and adopted by Omega, dramatically reduces friction within the movement compared to a traditional Swiss lever escapement. The practical result is a movement that requires less frequent servicing and maintains its accuracy over a longer period between service intervals — a meaningful advantage for any collector who values long-term ownership. Omega's Co-Axial calibres are COSC-certified chronometers, a standard that guarantees precision performance across a defined range of temperatures and positions.

On the wrist, the Aqua Terra 150M ref. 231.20.39.21.06.004 is a study in balanced elegance. The stainless steel bracelet is crafted to complement the case seamlessly, with a brushed and polished finish that echoes the interplay of textures across the watch. The yellow gold bezel introduces a flash of warmth each time the light catches it, elevating the overall impression from sporty to genuinely luxurious. Whether paired with a casual weekend outfit or a sharp suit, this watch commands attention without demanding it — the hallmark of truly great design.

Bizak and Co. is pleased to offer this reference brand new, complete with full Omega box and papers, at the best available price. Purchasing from Bizak ensures you receive an authentic, factory-fresh timepiece backed by the manufacturer's warranty and the expertise of a trusted luxury watch dealer. If you have been searching to buy the Omega Seamaster Aqua Terra 150M ref. 231.20.39.21.06.004 online, this is your opportunity to acquire it with complete confidence. Contact our team today to learn more or to complete your purchase.

Technical Details
Reference
231.20.39.21.06.004
Model
Seamaster Aqua Terra 150M
Movement
Automatic
Case material
Stainless Steel
Bracelet material
Stainless Steel
Dial
Grey Index
Case size
38mm
Requested condition
Brand New
Requested accessories
Full Set
FAQ

1. What makes the Omega Seamaster Aqua Terra 150M ref. 231.20.39.21.06.004 special?
This reference stands out for its distinctive combination of a grey index dial and a yellow gold bezel on a 38.5mm stainless steel case — a pairing that delivers two-tone luxury in a refined, versatile package. It also carries Omega's Co-Axial movement technology, setting it apart from watches powered by conventional Swiss lever escapements. The result is a timepiece that is both technically advanced and visually compelling.

2. What movement powers the Omega Aqua Terra 231.20.39.21.06.004?
This Aqua Terra is powered by an Omega Co-Axial movement, a calibre featuring the patented Co-Axial escapement that significantly reduces friction compared to traditional designs. This translates to greater long-term accuracy and extended service intervals, making it one of the most practical as well as prestigious movements available in a Swiss luxury watch. Omega's Co-Axial movements are also certified as chronometers by the COSC independent testing body.

3. What is the case size of the Omega Seamaster Aqua Terra 150M 231.20.39.21.06.004?
The case measures 38.5mm in diameter and is crafted from stainless steel. This size is widely considered one of the most wearable in contemporary watchmaking, flattering a broad spectrum of wrist sizes and offering excellent versatility across dress and casual contexts. It strikes an ideal balance between presence and elegance.

4. Is the Omega Aqua Terra 150M suitable for everyday wear?
Absolutely — the Seamaster Aqua Terra 150M is engineered for daily wear, with a water resistance rating indicated by its 150M designation that makes it robust enough for swimming and water sports. The stainless steel case and bracelet are highly durable materials that resist the rigors of daily use without sacrificing refinement. Its versatile design also means it transitions naturally between casual and formal environments.

5. What are the dial and bezel details on reference 231.20.39.21.06.004?
The dial is finished in grey with applied index hour markers, offering a sophisticated and legible face that suits a wide variety of styles and occasions. The bezel is crafted in yellow gold, providing a warm, luxurious contrast to the stainless steel case and bracelet. Together, these elements create a two-tone aesthetic that feels both sporty and formally dressed.

6. Is the Omega Aqua Terra 231.20.39.21.06.004 a good buy and how can I purchase it from Bizak and Co.?
Yes — as a brand-new example of one of Omega's most respected and versatile references, complete with box and papers, this watch represents excellent long-term value from a storied manufacture with a proven heritage. Bizak and Co. offers this reference at the best price with full authenticity guarantees. Visit bizakandco.com or contact our team directly to purchase or to ask any questions about this reference.

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

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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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