Omega Constellation Constellation Co-Axial 31 Red Gold / Snow / Diamond Supernova

Reference 123.55.31.20.55.008

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Snow / Diamond Supernova is a masterpiece of luxury watchmaking, combining elegance, precision, and opulence in a single timepiece. Crafted from luxurious red gold, this stunning watch boasts a gem-set bezel that adds a touch of glamour, while its mother of pearl dial shines with a unique iridescent quality. The Omega caliber 8421 movement, featuring Co-Axial escapement, ensures exceptional accuracy and durability, making it suitable for swimming and snorkeling but not diving. With a water resistance rating of 100 meters, this watch is designed for both casual and formal occasions, striking a perfect balance between bold and subtle. Its automatic movement means no batteries are required, and the durable materials ensure it can withstand daily wear and tear. The Omega Constellation Co-Axial 31 Red Gold / Snow / Diamond Supernova is an exceptional choice for those who value craftsmanship and timeless design, offering a worthy investment in a piece of horological art.
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Key Features

  • Luxurious red gold case
  • Gem-set bezel
  • Mother of pearl dial with iridescent quality
  • Omega caliber 8421 movement with Co-Axial escapement
  • Chronometer certified for accuracy
  • 50-hour power reserve
  • Dauphine style hands

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Red Gold / Snow / Diamond Supernova
Reference
123.55.31.20.55.008
Movement
8421
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Red Gold 31mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

OMEGA - 123.20.35.20.06.001 ยท $3,250
A sophisticated timepiece featuring a distinctive stainless steel and yellow gold case with Roman numeral-engraved bezel, grey dial with date window at 3 o'clock, powered by OMEGA's Co-Axial Calibre 2500 movement.

  • Condition: VERY GOOD (some light scratches on bracelet)
  • Case materials: stainless steel and yellow gold
  • Bracelet size adjustment: ~7" wrist
  • Contents included: box, papers, serial hang tag, spare links
Posted at
Dec 22, 2025, 9:02 AM
Active
[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped ๐Ÿšข

Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped ๐Ÿšข

Omega - 168.017 ยท $775
A stainless steel Omega Constellation C Shape from 1969 featuring a 35mm case, an off white dial, and automatic movement calibre 564. The watch has no major dents or scratches and keeps accurate time.

  • Condition: Great, with a few hairline scratches
  • Case Size: 35mm diameter
  • Dial Color: off white
Posted at
Dec 22, 2025, 7:54 AM
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[WTS] Omega Constellation 2-Tone Automatic ๐Ÿ‡จ๐Ÿ‡ญ

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Omega - Constellation Automatic ยท $1,000
This Omega Constellation Automatic features a 2-tone stainless steel and gold case, matching gold dial, and an original stainless steel bracelet. It's available in great condition.

  • Condition: Great, minor signs of wear
  • Case size without crown: 35mm
  • Lug to lug: 38mm
  • Lug width: 23mm
Posted at
Dec 21, 2025, 7:48 PM
Active
[WTS] 1971 Omega Constellation Chronometer C-Case ref. 168.0056 w/ Cal. 1011 โ€“ serviced Dec 2025 โ€“ full original bracelet โ€“ $1150 ALL IN shipped

1971 Omega Constellation Chronometer C-Case ref. 168.0056 w/ Cal. 1011 โ€“ serviced Dec 2025 โ€“ full original bracelet โ€“ $1150 ALL IN shipped

Omega - 168.0056 ยท $1,150
A vintage 1971 Omega Constellation Chronometer in the classic C-Case with a clean dial and full original bracelet.

  • Condition: Excellent condition, with a few scratches on the crystal
  • Calibre: Cal. 1011 (automatic)
  • Case Size: 35mm (excluding crown)
  • Lug Width: 19mm
Posted at
Dec 21, 2025, 9:26 AM
Active
[WTS] Omega Constellation diamond Dail Gold Bazel Ref : 168.0062.

Omega Constellation diamond Dail Gold Bazel Ref : 168.0062.

Omega - 168.0062 ยท $1,400
Up for sale is an Omega Constellation diamond dial watch in 18k gold bezel, featuring a chronometer movement and measuring 37mm case width. It's in excellent condition with some signs of wear.

  • Condition: Excellent condition, with light wear, scratches and marks
  • Case material: 18K Gold / Stainless steel
  • Movement type: Chronometer
Posted at
Dec 21, 2025, 8:20 AM
Active
[WTS] Omega constellation ๐ŸŒŒ Gerald Genta

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Omega - Constellation ยท $950
This Omega Constellation is a vintage watch featuring a 1960s cal 631 movement, accompanied by a rose gold movement. It has a case diameter of approximately 35-36mm.

  • Crown size: 35-36mm
  • Movement type: cal 631
  • Case material: rose gold
Posted at
Dec 20, 2025, 5:53 PM
Active
[WTS] Omega Constellation ๐ŸŒŒ blue dial .

Omega Constellation ๐ŸŒŒ blue dial .

Omega - Constellation ยท $980
A 1990s Omega Constellation features a blue dial with changing color depending on the angle, housed in a 36mm case with sapphire crystal.

  • Case size: 36mm
  • Crystal type: sapphire crystal
  • Bracelet length: up to 7.25 inches
Posted at
Dec 19, 2025, 10:54 PM
Active
[WTS] Omega Constellation. Globemaster. Annual Calendar. ๐ŸŽ

Omega Constellation. Globemaster. Annual Calendar. ๐ŸŽ

Omega - 130.33.41.22.06.001 ยท $4,300
A Omega Constellation Globemaster Annual Calendar watch, featuring a 41mm coaxial automatic movement.

  • Case Size: 41mm diameter
  • Movement Type: Coaxial Automatic
Posted at
Dec 19, 2025, 2:07 PM
Active
[WTS] Omega Constellation C Case 168.017 Cal 564, Serviced - $790

Omega Constellation C Case 168.017 Cal 564, Serviced - $790

Omega - 168.017 Cal 564 ยท $790
Up for sale is my Omega Constellation C Case 168.017 Cal 564 in good condition, featuring a 35-36mm case size.

  • 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
Active