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

Reference 123.25.31.20.55.001

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

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece of horology, combining stunning design with precision engineering. Its 31mm round case, crafted from stainless steel and red gold, exudes elegance and sophistication. The gem-set bezel shines like a constellation, while the mother-of-pearl dial shimmers with a unique texture that's almost like a dance of colors. The dauphine hands are both elegant and easy to read, making this watch perfect for both casual and formal occasions. At its core is the Omega caliber 8520, an automatic movement featuring chronometer certification and a power reserve of 50 hours. With a water resistance of 100 meters, this watch is designed for everyday use while still looking elegant.
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Key Features

  • 31mm round case in stainless steel and red gold
  • Mother-of-pearl dial with unique texture
  • Dauphine hands for easy time-telling
  • Omega caliber 8520 automatic movement with chronometer certification
  • Water resistance of 100 meters
  • Sapphire crystal glass for scratch-resistance

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / Red Gold / Diamond / MOP Supernova
Reference
123.25.31.20.55.001
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] 1968 Omega Constellation Ref. 157.0001 – Ultra-Thin Cal. 712 Chronometer – Blue Textured Dial – Omega Mesh Bracelet – $1350 Shipped Worldwide

1968 Omega Constellation Ref. 157.0001 – Ultra-Thin Cal. 712 Chronometer – Blue Textured Dial – Omega Mesh Bracelet – $1350 Shipped Worldwide

Omega - 157.0001 · $1,350
A 1968 Omega Constellation with an ultra-thin chronometer-rated Cal. 712 movement, featuring a blue textured dial and original unpolished case.

  • Condition: honest vintage condition
  • Movement: Omega Cal. 712 (ultra-thin, chronometer-rated)
  • Case size: 34.5mm
  • Dial description: original textured blue dial
Posted at
May 8, 2025, 9:46 AM
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[WTS] Omega Constellation C-shape Chronometer 168.0056

Omega Constellation C-shape Chronometer 168.0056

Omega - 168.0056 · $750
This Omega Constellation Ref. 168.0056 features an automatic chronometer movement, gold plated stainless steel case, and a champagne dial with applied indices.

  • Condition: excellent condition
  • Movement: Cal. 1011
  • Case material: gold plated stainless steel
  • Case size: 35mm (excluding crown)
Posted at
May 7, 2025, 12:45 PM
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[WTS] Vintage Omega Constellation f300Hz Electronic ( Ref:198.002 ) Serviced..$485 Shipped..

Vintage Omega Constellation f300Hz Electronic ( Ref:198.002 ) Serviced..$485 Shipped..

Omega - 198.002 · $485
The Omega Electronic Constellation Chronometer features a Cal. 1250 F300 movement with a pair of tuning forks vibrating at 300Hz for precise timekeeping.

  • Condition: Serviced, original dial in great condition, minor scratches on the caseback
  • Movement: F300 Hz Quartz Movement
  • Case material: Stainless Steel (Gold Plated)
  • Diameter: 38 mm diameter (w/o crown)
Posted at
May 6, 2025, 2:50 PM
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[WTS] Omega Constellation Day Date - Watch Only - $950 Free 🚢

Omega Constellation Day Date - Watch Only - $950 Free 🚢

Omega - Constellation Day Date · $950
This is a black dial Omega Constellation Day Date from the 1980s, powered by a quartz movement and featuring a steel case with a size of 33mm.

  • Year: 1980s
  • Dial Material: Black Dial Material: Steel
Posted at
May 6, 2025, 10:04 AM
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[WTS] Vintage Omega Constellation Chronometer - 168.0056 - C-Shaped Case - $799 Shipped!

Vintage Omega Constellation Chronometer - 168.0056 - C-Shaped Case - $799 Shipped!

Omega - 168.0056 · $799
A vintage Omega Constellation Chronometer with a C-shaped case, inspired by Gerald Genta, featuring an automatic movement and date window at 3 o'clock.

  • Condition: Good condition with signs of wear
  • Case shape: C-Shaped Case
  • Case size: 35mm diameter
  • Movement type: Automatic
Posted at
May 5, 2025, 3:48 PM
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[WTS] Rare 1956 Omega Constellation in Rose Gold / SS

Rare 1956 Omega Constellation in Rose Gold / SS

Omega - Constellation (no specific model mentioned) · $1,350
This is an older Omega Constellation model from 1956, featuring one of the first automatic 5xx series movements. The watch has a smooth winding mechanism and looks great in natural light.

  • Condition: Pre-owned with a scratch on the dial between 1 and 2
  • Movement series: 5xx series (automatic)
  • Case diameter: 34mm
Posted at
May 4, 2025, 7:23 PM
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[WTS] FULL COLLECTION SALE PT 2: Tiffany Eastwest (now discontinued), Hamilton Intramatic Chronograph 40mm, Baltic Aquascaphe GMT, Longines Legend Diver 36mm Red Dial, Omega Constellation 35mm

FULL COLLECTION SALE PT 2: Tiffany Eastwest (now discontinued), Hamilton Intramatic Chronograph 40mm, Baltic Aquascaphe GMT, Longines Legend Diver 36mm Red Dial, Omega Constellation 35mm

Hamilton - Intramatic Chronograph · $1,030
The seller is listing a collection of five watches for sale, including a Hamilton Intramatic Chronograph, Baltic Aquascaphe GMT, Longines Legend Diver 36mm Red Dial, Omega Constellation 35mm, and Tiffany Eastwest.

  • Condition: pristine
  • Movement: Soprod C125 GMT
  • Case size: 40/20mm
  • Crystal: domed sapphire
Posted at
May 4, 2025, 5:18 PM
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[WTS] Omega Constellation. PiePan. Gorgeous Dial.

Omega Constellation. PiePan. Gorgeous Dial.

Omega · $1,375
This Omega Constellation features a Pie Pan dial and is an automatic watch. It comes with an AM strap.

  • Condition: nice condition
  • Case size: 40mm diameter
  • Strap material: AM strap
Posted at
May 4, 2025, 3:12 PM
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[WTS] Omega Constellation Co-Axial Chronometer, or, "We have PRX at home"

Omega Constellation Co-Axial Chronometer, or, "We have PRX at home"

Omega - 123.10.35.20.01.002 · $1,300
The Omega Constellation Co-Axial Chronometer features a 35mm case size, Caliber 2500 chronometer movement, and a reverse clous de paris dial.

  • Condition: Good (with some hairline scratches)
  • Case dimensions: 35mm diameter, 38.4mm lug-to-lug, 10.8mm thickness
  • Bracelet size: adjustable to fit a 6.75 inch wrist
  • Movement type: Caliber 2500 chronometer, Co-Axial movement
Posted at
May 4, 2025, 11:47 AM
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