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

Reference 123.25.31.20.55.002

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

About this watch

The Omega Constellation Co-Axial 31 is a stunning luxury watch that embodies elegance and sophistication. This exquisite timepiece boasts a round case crafted from a luxurious blend of stainless steel and yellow gold, featuring a delicate mother-of-pearl (MOP) dial adorned with diamond indexes. The heart of the Omega Constellation is the Omega caliber 8520, an automatic movement certified for its precision and durability. With a water resistance of 100 meters, this watch can handle everyday practicality and special occasion elegance alike. Its versatility makes it perfect for collectors looking for something unique and stunning, as well as anyone wanting to make a statement with their wristwear. The Omega Constellation Co-Axial 31 is more than just a watch; it’s a statement of artistry and precision. This timepiece has everything a luxury watch enthusiast could desire, from its stunning design to its reliable movement.

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Key Features

Omega caliber 8520 automatic movement
Delicate mother-of-pearl (MOP) dial with diamond indexes
Luxurious stainless steel and yellow gold case
Water resistance of 100 meters
Co-Axial escapement for durability and accuracy
Chronometer certified for precision
50-hour power reserve

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Stainless Steel / Yellow Gold / Diamond / MOP Supernova

Reference

123.25.31.20.55.002

Movement

8520

Movement Features

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

Case

31mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

Omega Constellation Jumbo Ref : 168.001 14K Gold Bezel Condition Good Price : 2000$

Omega - 168.001 · $2,000

This Omega Constellation Jumbo features a 14K gold bezel and is in good condition, measuring 37mm in size with an original dial powered by the Caliber 561 movement.

Condition: Good
Material: 14K Gold Bezel
Diameter: 37mm
Calibre: Caliber 561

Posted at

Feb 17, 2026, 6:00 AM

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Omega Constellation Globemaster Silver Dial - Full Kit

Omega - Constellation Globemaster · $5,500

Up for sale is my Omega Constellation Globemaster in stainless steel with the silver “pie-pan” dial, featuring a 39mm case size, Omega Caliber 8900 movement and METAS Master Chronometer certification.

Condition: normal wear for its age
Case Size: 39 mm
Case Material: stainless steel
Dial Color: silver

Posted at

Feb 15, 2026, 6:13 PM

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Vintage Omega Constellation unpolished Ref. 168.029 Day-Date $815 shipped

Omega - 168.029 · $815

This is a late 1960s–early 1970s Omega Constellation with a Gerald Genta design. It features an unpolished case and solid 18k white gold fluted bezel.

Condition: Pre-owned, serviced
Material: 18k white gold
Bracelet type: 1040 'brick' bracelet

Posted at

Feb 14, 2026, 9:07 PM

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Omega Constellation Gold Capped (Automatic)

Omega - Constellation Gold Capped (Automatic) · $900

This Omega Constellation features a rare red seconds hand and was serviced last year.

Condition: some wear
Case diameter: 35 MM

Posted at

Feb 13, 2026, 11:13 PM

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Omega constellation chronometer ref 198.0104 & Omega Polaris Ref 396.1022.

Omega · $700

The seller is listing two vintage Omega watches: a Constellation chronometer quartz (ref 198.0141) and an Omega Polaris (ref 396.1022). Both watches are from the 1980s, feature sapphire crystals, and have strap sizes up to 7.5 inches.

Condition: very close to perfect
Case size: 29mm without crown x 33mm
Movement: Omega Cal: 1431 Quartz
Crystal type: Sapphire Crystal

Posted at

Feb 12, 2026, 8:29 AM

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Omega Constellation Jumbo 14777-61SC 37mm | Good Condition (Serviced) | $1600

Omega - 14777-61SC · $1,600

The Omega Constellation Jumbo Ref. 14777-61SC is a vintage watch with a clean, flat dial aesthetic and a modern wrist presence. It features a stainless steel case with beautifully curved lugs and a sharp bezel, and powers Omega's Caliber 561 chronometer-rated automatic movement.

Condition: Good (serviced)
Case diameter: 37mm
Lug width: 19mm
Movement: Caliber 561 (chronometer-rated automatic movement with date complication)

Posted at

Feb 10, 2026, 11:15 PM

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OMEGA Constellations Chronometer Certified 168.018 original bracelet, excellent condition

OMEGA - 168.018 · $1,500

This Omega Constellation Chronometer is a certified timepiece featuring an automatic Cal 564 movement and a stainless steel case with a silver dial.

Condition: excellent
Case dimensions: 35 x 40mm, thickness 12mm, 19mm lug width
Movement: Cal 564 Automatic 24 Jewels 19800 beats per hour
Accuracy: +/-5s per day

Posted at

Feb 9, 2026, 10:08 PM

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OMEGA Constellations Chronometer certified 167.021, serviced

OMEGA - 167.021 · $1,300

A rare Omega Constellation Chronometer model 167.021, officially certified and ultra thin, featuring a silver dial and automatic movement.

Condition: Used with normal signs of wear and use
Case dimensions: 33 x 39mm, 8mm thickness, 19mm lug width
Movement type: Cal 712 Automatic, 24 Jewels, 19800 beats per hour
Crystal condition: Acrylic Crystal with no scratches and Omega signed in the center

Posted at

Feb 8, 2026, 8:50 AM

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10k Gold Filled Omega Constellation. STEAL DEAL

Omega - Constellation · $555

This vintage Omega Constellation is a mid-century design in a classic 34mm case that exudes Swiss elegance.

Case size: 34mm

Posted at

Feb 6, 2026, 10:59 PM

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