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

[WTS] 2025 LNIB Omega Constellation Globemaster 39mm Blue 10/25 Ref# 130.30.39.21.03.001

2025 LNIB Omega Constellation Globemaster 39mm Blue 10/25 Ref# 130.30.39.21.03.001

Omega - 130.30.39.21.03.001 · $5,799
2025 LNIB Omega Constellation Globemaster 39mm Blue with domed Pie Pan blue dial and fluted bezel.

  • Condition: 9.5/10, minor cosmetic imperfections possibly
  • Diameter: 39mm
  • Water resistance: 150m
  • Power reserve: 60 hours
Posted at
Jan 18, 2026, 11:22 AM
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[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega - 168.017 · $775
Up for sale is an Omega Constellation C Shape reference 168.017 from 1969, featuring a stainless steel case with a 35mm diameter and an off-white dial.

  • Condition: great, with a few hairline scratches
  • Case Size: 35mm diameter
  • Movement: Calibre 564, automatic
Posted at
Jan 18, 2026, 7:52 AM
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[WTS] Omega Constellation 🌌 blue 1990s 35.5mm 🔥

Omega Constellation 🌌 blue 1990s 35.5mm 🔥

Omega - Constellation Perpetual Date · $1,150
This Omega Constellation is a quartz perpetual date watch from the early 1990s. It features an 18k omega stamp and a blue sunburst dial that appears to shift colors depending on the angle of the light.

  • Movement type: quartz
  • Year of production: early 1990s
  • Case diameter: 35.5mm
Posted at
Jan 17, 2026, 7:09 PM
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[WTS] 1971 Omega Constellation ref. 168.059 w/ Cal. 1011 – Green fumé “spider” dial – $795 shipped

1971 Omega Constellation ref. 168.059 w/ Cal. 1011 – Green fumé “spider” dial – $795 shipped

Omega - 168.059 · $795
  • Year: 1971
  • Caliber: Cal. 1011
Posted at
Jan 15, 2026, 11:05 AM
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[WTS] Timeless Gold Elegance – Omega Constellation 10k Gold-Filled ✨

Timeless Gold Elegance – Omega Constellation 10k Gold-Filled ✨

Omega - Constellation · $699
This Omega Constellation in 10k gold-filled is a classic watch with understated luxury and timeless style, perfect for everyday wear.

  • Condition: Pre-owned with new battery
  • Case Size: 34mm diameter
  • Material: 10k gold-filled
  • Strap: High-quality AM strap
Posted at
Jan 14, 2026, 1:49 AM
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[WTS] Omega Constellation linen dial ref 168017 cal 564

Omega Constellation linen dial ref 168017 cal 564

Omega - 168017 · $4,000
This Omega Constellation features a gold linen dial and comes equipped with an automatic movement powered by caliber 564. It's ready to be worn with its new generic strap and buckle.

  • Condition: Pre-owned, requires servicing
  • Movement: caliber 564
  • Functions work: yes all functions are working
Posted at
Jan 12, 2026, 12:05 PM
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[WTS] 1958 Omega Constellation ‘Pie Pan’ Arrowhead Ref. 2852-1SC | Good Condition (Serviced) | $2850

1958 Omega Constellation ‘Pie Pan’ Arrowhead Ref. 2852-1SC | Good Condition (Serviced) | $2850

Omega - 2852-1SC · $2,810
The Omega Constellation 'Pie Pan' Arrowhead Ref. 2852-1SC is one of the most sought-after and distinctive Constellation references from the mid-1950s. This particular example features the iconic 'Pie-Pan' dial with large applied arrowhead hour markers, often referred to by collectors as 'Arrowhead' indices.

  • Condition: Good, serviced
  • Case diameter: 34.5mm (excluding crown)
  • Lug-to-lug distance: 43.5mm
  • Thickness: 11mm
Posted at
Jan 12, 2026, 10:11 AM
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[WTS] Omega Constellation Pie Pan Ref. 168.005 with Original BoR Bracelet | Great Condition (Serviced) | $2700

Omega Constellation Pie Pan Ref. 168.005 with Original BoR Bracelet | Great Condition (Serviced) | $2700

Omega - 168.005 · $2,700
The Omega Constellation Pie Pan Ref. 168.005 is a quintessential 1960s dress watch that embodies Omega’s pursuit of precision and elegance during the golden age of Swiss watchmaking.

  • Condition: Great condition, serviced
  • Case size: 34.5mm diameter
  • Movement type: Automatic
  • Jewels: 24
Posted at
Jan 10, 2026, 10:00 PM
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[WTS] Omega Constellation Double Eagle Chronograph – Ref. 121.92.41.50.01.001 – 41mm – Complete Set – $2,599 Shipped

Omega Constellation Double Eagle Chronograph – Ref. 121.92.41.50.01.001 – 41mm – Complete Set – $2,599 Shipped

Omega - 121.92.41.50.01.001 · $2,599
The Omega Constellation Double Eagle Chronograph features a 41mm titanium case and carbon fiber dial with integrated chronograph layout powered by Omega's co-axial chronometer movement.

  • Condition: Good overall with light, honest wear
  • Case material: titanium
  • Diameter: 41mm
Posted at
Jan 10, 2026, 9:22 PM
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