Skip to product information
Omega Seamaster Aqua Terra 150M Master Co-Axial Chronometer 34mm Stainless Steel Sedna Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Steel Sedna Gold Bracelet 231.25.34.20.55.005 - BRAND NEW

Omega Seamaster Aqua Terra 150M Master Co-Axial Chronometer 34mm Stainless Steel Sedna Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Steel Sedna Gold Bracelet 231.25.34.20.55.005 - BRAND NEW Omega Seamaster Aqua Terra 150M Master Co-Axial…

Reference 231.25.34.20.55.005

Full watch configuration

Omega Seamaster Aqua Terra 150M Master Co-Axial Chronometer 34mm Stainless Steel Sedna Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Steel Sedna Gold Bracelet 231.25.34.20.55.005 - BRAND NEW

$13,999.00
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 Master Co-Axial Chronometer 34mm Stainless Steel Sedna Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Steel Sedna Gold Bracelet 231.25.34.20.55.005 - BRAND NEW

Omega Seamaster Aqua Terra 150M Master Co-Axial Chronometer 34mm Stainless Steel Sedna Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Steel Sedna Gold Bracelet 231.25.34.20.55.005 - BRAND NEW

Current Catalogue Asking Price:

Your Offer

$

Submit your offer for review. Availability and the final price require confirmation.

Preferred Contact Method
I have a trade-in / add a note

Reserve with $200

Omega Seamaster Aqua Terra 150M Master Co-Axial Chronometer 34mm Stainless Steel Sedna Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Steel Sedna Gold Bracelet 231.25.34.20.55.005 - BRAND NEW

Catalogue watch price: $13,999.00 USD

Your $200 deposit is applied to the watch’s purchase price. It is refundable only if Bizak & Co. cannot fulfill your order.

Estimated remaining balance: $. Pay by bank wire or cryptocurrency after we confirm your watch and final invoice. Shipping and applicable taxes are additional.

Shipping details · Return terms

Watch shipping is paid with the final balance: $100 for U.S. overnight delivery or $500 internationally. Applicable taxes and import charges are additional.

After payment, our team starts the tailored search and contacts you to confirm the specific watch and final invoice. A deposit does not guarantee a unit, the listed price or a delivery date.

Need installments? Check eligibility before paying a deposit.

Speak with a Bizak & Co. specialist about this piece

|Call or Text

The Omega Seamaster Aqua Terra 150M Master Co-Axial Chronometer reference 231.25.34.20.55.005 is a brand-new 34mm luxury sports watch combining stainless steel with Omega's proprietary Sedna Gold alloy, a diamond-set bezel, and a luminous white mother-of-pearl dial accented by diamond-set indexes. Presented on a matching steel and Sedna Gold bracelet, this reference represents Omega's most refined expression of the Aqua Terra collection for those seeking elegance alongside performance credentials.

What sets this reference apart is the seamless fusion of precious materials — the warm rose tone of Sedna Gold against the cool luster of steel, crowned by the iridescent depth of a mother-of-pearl dial and the brilliance of diamond accents — making it one of the most striking Aqua Terra references available. Available brand new at Bizak & Co., this watch ships with full manufacturer packaging; contact our team today to purchase online or learn more about this exceptional timepiece.

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.

Not the exact one you’re looking for?

Source your dream watch

Learn More

The Omega Seamaster Aqua Terra 150M is one of the most versatile and enduring collections in contemporary Swiss watchmaking, blending the professional heritage of the Seamaster line with refined, everyday elegance. Introduced as a complement to Omega's dive-oriented Seamaster models, the Aqua Terra was designed to move effortlessly between boardrooms, cocktail hours, and casual weekends — a watch equally at home on the wrist of an executive as it is on the deck of a sailing yacht. Reference 231.25.34.20.55.005 sits at the pinnacle of this collection, layering precious materials and gem-setting onto a platform already celebrated for its technical excellence.

At 34mm in diameter, this Aqua Terra is sized with precision intent — proportioned for smaller wrists or for those who favor a refined, classic profile over oversized contemporary sizing. The stainless steel case is enriched with elements crafted in Sedna Gold, Omega's proprietary 18-karat rose gold alloy formulated to resist fading and maintain its warm, distinctive hue over decades of wear. This blend of workhorse steel and precious Sedna Gold creates an interplay of tones that reads as effortlessly luxurious rather than ostentatious.

The white mother-of-pearl dial is a study in natural beauty — no two mother-of-pearl dials are ever identical, meaning every watch carries a subtly unique character. Diamond-set indexes replace the standard applied markers, scattering light across the dial face and elevating the watch firmly into fine jewelry territory. Complementing the dial, the bezel is set in Sedna Gold and further adorned with diamonds, framing the watch with a continuous arc of brilliance that anchors the entire design.

Powering the watch is Omega's Master Co-Axial Chronometer movement, a certified Chronometer regulated to COSC standards and further tested by Omega's own Master Chronometer certification — a designation that guarantees performance, magnetic resistance, and accuracy to some of the most demanding tolerances in the industry. The Co-Axial escapement, one of Omega's defining technical contributions to modern horology, reduces friction within the movement and extends the intervals between servicing compared with traditional lever escapements, making this not just a beautiful watch but a genuinely high-performance instrument.

The bracelet — a steel and Sedna Gold integrated link design — continues the two-tone aesthetic of the case and bezel, ensuring a cohesive, considered appearance from every angle. Its articulated construction drapes naturally over the wrist, and the combination of materials ensures durability alongside visual warmth. For anyone searching to buy an Omega Seamaster Aqua Terra 150M diamond dial for sale online, this reference represents exceptional value and an investment in enduring style.

At Bizak & Co., we offer this reference 231.25.34.20.55.005 brand new, complete with manufacturer packaging. Our team of watch specialists is available to answer questions, arrange secure shipping, or discuss the piece in greater detail — because we believe the experience of acquiring a watch of this caliber should be as refined as the watch itself. Reach out to Bizak & Co. today and make this Omega Seamaster Aqua Terra yours.

Technical Details
Reference
231.25.34.20.55.005
Model
Seamaster Aqua Terra 150M
Movement
Automatic
Case material
Rose Gold
Bracelet material
Two-Tone
Dial
White mother-of-pearl with diamond-set indexes
Case size
34mm
Requested condition
Brand New
Requested accessories
Full Set
FAQ

1. What makes the Omega Seamaster Aqua Terra 231.25.34.20.55.005 special?
This reference combines a white mother-of-pearl dial with diamond-set indexes, a Sedna Gold diamond-set bezel, and a steel and Sedna Gold bracelet — a rare convergence of gem-setting and precious alloy on the Aqua Terra platform. The result is a watch that transcends the sports category and functions equally as a piece of fine jewelry. Its brand-new condition with full packaging adds to its appeal for collectors and buyers alike.

2. What movement powers the Omega Seamaster Aqua Terra 150M Master Co-Axial Chronometer?
This watch is fitted with an Omega Master Co-Axial Chronometer movement, certified to Master Chronometer standards — the most stringent accuracy and performance testing in the Swiss watch industry. The Co-Axial escapement technology reduces internal friction, extending service intervals and delivering long-term reliability. Magnetic resistance and precision timekeeping are among the movement's defining attributes.

3. What is the case size of this Omega Seamaster Aqua Terra?
The case measures 34mm in diameter, making it an ideal choice for those who prefer a more classic, refined wrist presence. The stainless steel case is augmented with Sedna Gold elements, lending a two-tone character that is both elegant and distinctive. This size is versatile enough to suit a range of wrist sizes while maintaining Omega's signature proportional balance.

4. Is the Omega Seamaster Aqua Terra 34mm suitable for everyday wear?
Yes — despite its gem-set and precious-metal appointments, the Aqua Terra 150M is engineered for regular wear, drawing on the robust Seamaster lineage. The Master Co-Axial movement's resistance to magnetic fields and its durable stainless steel construction mean it can handle the rigors of daily life. Its elegant design also makes it an ideal companion for formal occasions, bridging sports watch utility and fine watch aesthetics.

5. What is the dial and bezel on reference 231.25.34.20.55.005?
The dial is crafted from white mother-of-pearl, a natural material prized for its iridescent, ever-shifting luster, and is set with diamond indexes in place of standard hour markers. The bezel is fashioned in Omega's Sedna Gold alloy and set with diamonds, creating a continuous ring of brilliance around the dial. Together these elements make the watch one of the most visually striking references in the Aqua Terra collection.

6. How can I buy the Omega Seamaster Aqua Terra 231.25.34.20.55.005 from Bizak and Co.?
This watch is available brand new at Bizak & Co. via bizakandco.com, where you can purchase it directly online or contact our specialist team for personalized assistance. We provide secure shipping and the watch is presented with full manufacturer packaging as expected of a new Omega timepiece. Reach out to us today to confirm availability and complete your purchase with confidence.

Certified Authenticity

Every watch is authenticated before delivery.

Real Family Business

You're buying from genuine people, 30 years in business.

Bizak & Co. Warranty

Every watch is checked by us before shipping.

5 Years Warranty

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.

Exclusions include accidental damage, misuse, water damage, cosmetic damage, normal wear, loss and theft. Coverage and service availability for vintage or modified watches are confirmed in writing before purchase.

Read the full warranty terms and service instructions. 

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.

Insured delivery

Insured shipping

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.

You might also like...

Customer Reviews

Read our reviews on Trustpilot

  • Great family business

    Great family business. They went out of their way to make my purchase go smoothly, they definitely earned my watch business!

    Paul

    Read on Trustpilot ↗
  • Good seller

    Good seller. Honest family

    Mateusz

    Read on Trustpilot ↗
  • Honest family company

    Honest family company. I’ve done business many times!

    Mollie

    Read on Trustpilot ↗
  • Trusted Seller

    Trusted Seller, Definitely recommend for all watches purchase!

    Consumer

    Read on Trustpilot ↗
  • Trusted and honest seller

    Trusted and honest seller. Deal with confidence.

    Jean Dib

    Read on Trustpilot ↗