Skip to product information
Omega Seamaster Aqua Terra 150M Co-Axial Chronometer 30mm Yellow Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Yellow Gold Bracelet 231.55.30.20.55.002 - BRAND NEW

Omega Seamaster Aqua Terra 150M Co-Axial Chronometer 30mm Yellow Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Yellow Gold Bracelet 231.55.30.20.55.002 - BRAND NEW Omega Seamaster Aqua Terra 150M Co-Axial Chronometer…

Reference 231.55.30.20.55.002

Full watch configuration

Omega Seamaster Aqua Terra 150M Co-Axial Chronometer 30mm Yellow Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Yellow Gold Bracelet 231.55.30.20.55.002 - BRAND NEW

$22,999.00
Requested condition
Brand New

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 Co-Axial Chronometer 30mm Yellow Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Yellow Gold Bracelet 231.55.30.20.55.002 - BRAND NEW

Omega Seamaster Aqua Terra 150M Co-Axial Chronometer 30mm Yellow Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Yellow Gold Bracelet 231.55.30.20.55.002 - 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 Co-Axial Chronometer 30mm Yellow Gold Diamond Bezel White Mother of Pearl Dial Diamond Set Index Yellow Gold Bracelet 231.55.30.20.55.002 - BRAND NEW

Catalogue watch price: $22,999.00 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 Co-Axial Chronometer reference 231.55.30.20.55.002 is a brand-new 30mm yellow gold luxury watch featuring a white mother of pearl dial set with diamond indices and an opulent diamond-set yellow gold bezel. Suspended from a matching yellow gold bracelet, this reference sits at the pinnacle of the Aqua Terra collection, blending Omega's legendary aquatic heritage with haute joaillerie elegance.

What sets this reference apart is the rare combination of a precious 18k yellow gold case and bracelet, a shimmering mother of pearl canvas, and the technical credibility of the Co-Axial Chronometer movement, making it equally suited to a formal occasion or a refined everyday statement. Contact Bizak & Co. today to purchase the 231.55.30.20.55.002 at our best price or to learn more about our white-glove service.

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 celebrated sport-chic collections in modern watchmaking, tracing its roots to Omega's storied Seamaster lineage that dates back to 1948. Where the original Seamaster was conceived as a robust, water-resistant companion for professionals, the Aqua Terra evolved the concept into a versatile luxury proposition that bridges the boardroom and the waterfront with equal authority. Reference 231.55.30.20.55.002 represents the collection's most jewel-enriched expression, conceived for the collector who demands both horological integrity and high-jewellery artistry in a single wrist statement.

At 30mm, the case is sized with refined femininity in mind, crafted entirely in 18k yellow gold whose warm luminosity complements every element of the dial. The white mother of pearl dial is one of nature's most coveted materials, each piece unique in its iridescent depth, shifting from cream to silver to pale rose depending on the angle of light. Diamond-set indices punctuate the dial with precisely placed brilliance, while the diamond-set yellow gold bezel frames the entire composition in a continuous halo of stones that elevates the watch to the level of a serious jewellery piece without sacrificing legibility.

Powering the 231.55.30.20.55.002 is Omega's Co-Axial Chronometer movement, a technology that fundamentally changed the industry when it was introduced. The Co-Axial escapement dramatically reduces friction between the escapement components, resulting in greater long-term precision and extended service intervals compared with conventional lever escapements. Chronometer certification by the COSC confirms the movement's accuracy to the rigorous independent standard, meaning this watch is as dependable on the wrist as it is breathtaking to the eye.

On the wrist, the 30mm yellow gold case wears with a confident elegance that reads immediately as something extraordinary. The integrated yellow gold bracelet flows seamlessly from the case, giving the watch a sculpted, unified profile that sits close to the wrist and drapes naturally with movement. The Aqua Terra's signature horizontal teak-pattern dial architecture is reinterpreted here through the luminous mother of pearl surface, retaining the collection's nautical allusion while the diamonds transform it into an object of desire that belongs equally in a fine jeweller's vitrine.

Buying this reference from Bizak & Co. means acquiring a brand-new example sourced through authorised channels, presented in factory-fresh condition with all original packaging and documentation. At Bizak & Co., we specialise in sourcing the most sought-after Omega references at the best available price, backed by expert authentication and attentive client service. Whether you are adding the 231.55.30.20.55.002 to a curated collection or purchasing it as a once-in-a-lifetime gift, our team is ready to assist you every step of the way. Reach out today to buy online or to speak with one of our specialists.

Technical Details
Reference
231.55.30.20.55.002
Model
Seamaster Aqua Terra 150M
Movement
Automatic
Case material
Yellow Gold
Bracelet material
Yellow Gold
Dial
White Mother of Pearl with Diamond-Set Indices
Case size
30mm
Requested condition
Brand New
FAQ

1. What makes the Omega Seamaster Aqua Terra 231.55.30.20.55.002 special?
This reference combines an 18k yellow gold case and bracelet with a white mother of pearl diamond-set dial and a diamond-set bezel, placing it at the very top of the Aqua Terra jewellery watch hierarchy. The result is a piece that carries the Seamaster's proven aquatic heritage while functioning as a genuine high-jewellery timepiece.

2. What movement powers the Omega Seamaster Aqua Terra 150M ref. 231.55.30.20.55.002?
The watch is powered by an Omega Co-Axial Chronometer movement, which uses the patented Co-Axial escapement to reduce friction and improve long-term accuracy and service intervals. The movement holds COSC Chronometer certification, confirming its precision to an independently verified standard.

3. What is the case size of the Omega Seamaster Aqua Terra 231.55.30.20.55.002?
The case measures 30mm in diameter, a size that has been chosen to complement a more delicate or feminine wrist while still making a confident jewellery statement. The full yellow gold construction adds visual weight and presence beyond what the diameter alone might suggest.

4. Is the Omega Seamaster Aqua Terra 30mm yellow gold suitable for everyday wear?
While the all-yellow-gold construction and diamond bezel make this watch a natural choice for formal and celebratory occasions, the Seamaster Aqua Terra 150M designation reflects genuine water resistance and a robust build quality that can handle refined daily use. It is best thought of as an elevated everyday luxury watch rather than a dedicated sport tool watch.

5. What is the dial and bezel on the 231.55.30.20.55.002?
The dial is crafted from white mother of pearl, a naturally iridescent material that shifts in colour under different lighting conditions, and is set with diamond indices for added brilliance. The bezel is set with diamonds in yellow gold, creating a continuous frame of stones that unifies the jewellery character of the entire watch.

6. How can I buy the Omega Seamaster Aqua Terra 231.55.30.20.55.002, and is it a good investment?
You can purchase this brand-new reference directly from Bizak & Co. at bizakandco.com, where we offer expert authentication and competitive best pricing. All-gold, diamond-set Omega Chronometer references in brand-new condition are historically among the more resilient segments of the pre-owned and collector market, making this both a pleasure to wear and a considered acquisition.

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 ↗