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Omega Constellation Co-Axial Master Chronometer 29mm Steel Yellow Gold Mother of Pearl Dial 131.20.29.20.55.002

Omega Constellation Co-Axial Master Chronometer 29mm Steel Yellow Gold Mother of Pearl Dial 131.20.29.20.55.002 Omega Constellation Co-Axial Master Chronometer 29mm Steel…

Reference 131.20.29.20.55.002

Full watch configuration

Omega Constellation Co-Axial Master Chronometer 29mm Steel Yellow Gold Mother of Pearl Dial 131.20.29.20.55.002

$10,399.00

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 Constellation Co-Axial Master Chronometer 29mm Steel Yellow Gold Mother of Pearl Dial 131.20.29.20.55.002

Omega Constellation Co-Axial Master Chronometer 29mm Steel Yellow Gold Mother of Pearl Dial 131.20.29.20.55.002

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Omega Constellation Co-Axial Master Chronometer 29mm Steel Yellow Gold Mother of Pearl Dial 131.20.29.20.55.002

Catalogue watch price: $10,399.00 USD

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The Omega Constellation Co-Axial Master Chronometer 131.20.29.20.55.002 is a 29mm ladies luxury watch crafted in steel and yellow gold, featuring a luminous mother of pearl dial set with diamond indices and a polished yellow gold bezel. The two-tone yellow gold and steel bracelet completes this refined pairing of precious metal and enduring Swiss engineering.

Reference 131.20.29.20.55.002 stands out for its combination of Omega's highest-grade Master Chronometer certification, elegant bi-metal construction, and the timeless Constellation aesthetic that has defined refined womens watchmaking for decades. Contact Bizak and Co. to purchase this Omega Constellation online or to learn more about availability and pricing.

Compare it across every Constellation reference we carry, or browse the full Omega collection at Bizak & Co.

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The Omega Constellation is one of the most storied dress-watch families in Swiss horology, introduced in 1952 to celebrate the brand's series of chronometric observatory victories. Over seven decades it has evolved from a slim round dress piece into a boldly recognisable icon distinguished by its clawed case, integrated bracelet, and the famous star motif at six o'clock — design language that remains instantly legible on the wrist today. Reference 131.20.29.20.55.002 represents the current-generation Constellation at its most glamorous, pairing precious yellow gold accents with the dependability of steel in a 29mm format sized with elegance and everyday wearability in mind.

The case measures 29mm in diameter — an ideal proportion for smaller wrists — and is constructed in a combination of polished steel and warm 18-karat yellow gold. The signature four-claw bezel, rendered entirely in yellow gold, frames the dial with architectural precision and recalls the observatory-podium motif that runs through Constellation's entire heritage. Lugs flow seamlessly into the integrated two-tone bracelet, a hallmark of the Constellation design that gives the watch a unified, jewellery-like presence on the wrist.

At the heart of the dial is a genuine mother of pearl plate, whose naturally iridescent surface shifts between cream, rose, and silver as light moves across it — no two examples are identical. Diamond-set hour indices replace the conventional applied markers, adding a layer of brilliance that elevates the watch firmly into luxury territory. The yellow gold detailing of the bezel, bracelet centre links, and crown ties the warm tones of the dial treatment together into a wholly coherent design.

Powering the watch is Omega's Co-Axial Master Chronometer movement, the brand's most rigorously certified calibre family. Master Chronometer certification — awarded by the Swiss Federal Institute of Metrology (METAS) — demands performance across eight stringent tests including resistance to magnetic fields of 15,000 gauss, a standard that far exceeds conventional chronometer requirements. The Co-Axial escapement, developed by master watchmaker George Daniels and refined by Omega, reduces friction between escapement components, translating directly into long-term accuracy and significantly extended service intervals compared to traditional lever-escapement movements.

For the buyer, reference 131.20.29.20.55.002 represents an intersection rarely found in a single watch: observatory-level movement certification, genuine precious-metal aesthetics, and the quiet prestige of a manufacture with over 170 years of history. It wears equally well at a formal dinner, a business engagement, or a weekend occasion, and its two-tone construction means it coordinates effortlessly with both yellow gold and silver jewellery. Available at Bizak and Co., this Constellation comes with full manufacturer packaging and is offered at our best price. Reach out to our team at bizakandco.com to enquire, place an order, or request additional detail — we are here to help you secure this exceptional timepiece with confidence.

Technical Details
Reference
131.20.29.20.55.002
Model
Constellation
Movement
Automatic
Case material
Two-Tone
Bracelet material
Two-Tone
Dial
Mother of pearl with diamond indices
Case size
29mm
FAQ

1. What makes the Omega Constellation 131.20.29.20.55.002 special?
Reference 131.20.29.20.55.002 combines Omega's Master Chronometer certification — the most stringent movement standard in Swiss watchmaking — with a genuine mother of pearl dial set with diamond indices and a yellow gold bezel. The integrated two-tone steel and yellow gold bracelet gives the watch a seamless, jewellery-quality appearance that sets it apart from ordinary dress watches.

2. What movement powers the Omega Constellation 131.20.29.20.55.002?
The watch is powered by an Omega Co-Axial Master Chronometer movement, certified by METAS to resist magnetic fields of up to 15,000 gauss and meet the highest accuracy and reliability standards in the industry. The Co-Axial escapement reduces friction in the gear train, supporting long-term precision and extended service intervals.

3. What is the case size and what materials is the case made from?
The case measures 29mm in diameter, making it an ideal choice for smaller or medium wrists seeking an elegant, refined fit. It is crafted in a combination of stainless steel and yellow gold, with the signature four-claw bezel finished entirely in yellow gold.

4. Is the Omega Constellation 29mm suitable for everyday wear?
Yes — the 29mm Constellation is designed to transition gracefully from daily wear to formal occasions. Its steel construction provides durability and resistance to everyday knocks, while the Master Chronometer movement ensures consistent accuracy over time. The integrated bracelet and relatively compact case size also make it exceptionally comfortable for all-day use.

5. What is the dial made from on the 131.20.29.20.55.002?
The dial features a genuine mother of pearl plate, a natural material whose iridescent surface shifts colour with changing light, ensuring each example is subtly unique. Hour indices are set with diamonds, adding brilliance and reinforcing the watch's luxury positioning within the Constellation collection.

6. How can I buy the Omega Constellation 131.20.29.20.55.002 from Bizak and Co.?
This reference is available at Bizak and Co. and can be purchased online at bizakandco.com or by contacting our team directly. We offer competitive best pricing and are happy to answer any questions about the watch, arrange secure shipping, or discuss trade-in options.

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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.

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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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