Omega Constellation Constellation Co-Axial 31 Stainless Steel / Yellow Gold Claws / MOP

Reference 123.20.31.20.55.004

Omega Constellation Co-Axial 31 Stainless Steel / Yellow Gold Claws / MOP

About this watch

The Omega Constellation Co-Axial 31 is an exquisite timepiece that embodies the luxurious spirit of Omega while delivering impressive performance. This stunning watch features a round case made from stainless steel adorned with yellow gold claws, a fixed bezel adding modernity to classic elegance. The Mother of Pearl (MOP) dial shimmers and changes color with light, making it a piece of art on your wrist. Coupled with gem-set indexes, this watch is designed to catch eyes and spark conversations. With its automatic movement, 50-hour power reserve, chronometer certification, and Co-Axial escapement, this watch offers remarkable accuracy and longevity. The bracelet feels luxurious against the skin while being sturdy enough for everyday wear. It's adjustable, ensuring a snug fit for various wrist sizes. This watch is perfect for anyone who appreciates the finer things in life.

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Key Features

Omega caliber 8520 automatic movement
Chronometer certified Co-Axial escapement
Stainless steel and yellow gold case
Mother of Pearl (MOP) dial
Gem-set indexes
Water resistance up to 100 meters
Adjustable stainless steel and yellow gold bracelet

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Stainless Steel / Yellow Gold Claws / MOP

Reference

123.20.31.20.55.004

Movement

8520

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

31mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

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Condition: Excellent condition, with light wear, scratches and marks
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Movement type: Chronometer

Posted at

Dec 21, 2025, 8:20 AM

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Crown size: 35-36mm
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Case material: rose gold

Posted at

Dec 20, 2025, 5:53 PM

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Posted at

Dec 19, 2025, 10:54 PM

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Posted at

Dec 19, 2025, 2:07 PM

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Condition: Good condition with some signs of aging
Case Size: 35-36mm
Bezel Condition: High polished with light hairlines
Caseback Condition: Polished by previous owner

Posted at

Dec 18, 2025, 8:42 PM

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Verification method: FaceTime / other

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Dec 18, 2025, 1:07 PM

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Condition: Beautiful condition with strong, well-defined edges and an exceptionally clean period-correct pie-pan silver dial.
Case Size: 34mm
Year: 1960s
Material: 18K rose gold

Posted at

Dec 17, 2025, 5:47 PM

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Omega - 130.33.39.21.02.001 · $4,950

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Condition: Unworn/New
Case size: 39mm
Material: stainless steel
Diameter: 39mm

Posted at

Dec 16, 2025, 12:54 PM

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Condition: Great condition with minor signs of wear
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Lug to lug: 38mm
Lug width: 23mm

Posted at

Dec 14, 2025, 9:08 PM

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