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

Reference 123.55.31.20.55.010

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

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Snow / Diamond Supernova is a masterclass in luxury watchmaking, seamlessly blending elegance, precision, and opulence. At its heart lies the Omega caliber 8421, a self-winding movement equipped with the Co-Axial escapement, delivering enhanced precision, stability, and durability. The case is beautifully crafted from red gold, giving it a warm, luxurious feel, while the stunning mother of pearl dial brings a sense of depth and elegance. Dauphine hands sweep gracefully across the dial, ensuring readability, as gem-set indexes add a touch of sparkle to the overall aesthetic. With a water resistance of up to 100 meters, this watch is designed for real-world use, effortlessly transitioning from day to night. Its comfort and versatility make it suitable for various wrist sizes, while its lightweight nature ensures wearability all day. The Omega Constellation Co-Axial 31 Red Gold / Snow / Diamond Supernova is a testament to the brand's commitment to quality, innovation, and style.
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Key Features

  • Omega caliber 8421 self-winding movement
  • Co-Axial escapement for enhanced precision and stability
  • Red gold case with luxurious feel
  • Mother of pearl dial with depth and elegance
  • Dauphine hands for readability
  • Gem-set indexes for added sparkle
  • Water resistance up to 100 meters

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Red Gold / Snow / Diamond Supernova
Reference
123.55.31.20.55.010
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 Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

Omega - 168.005 · $2,600
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 serviced condition
  • Movement: Omega Calibre 564
  • Jewels: 24
Posted at
Apr 6, 2026, 11:13 PM
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[WTS] Package Deal! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

Package Deal! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

Omega - Constellation Manhattan Day-Date · $1,795
Two Omega Constellation Manhattan Day-Dates for sale, one in full steel and the other in two-tone. Both have crisp white dials, luminescent hands, and gold dot markers.

  • Condition: Pre-owned, unpolished with age-related wear
  • Diameter: 33MM
  • Bracelet Length Stainless: up to approximately 7.5 inches
  • Bracelet Length Two Tone: just over 7 inches
Posted at
Apr 6, 2026, 9:48 PM
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[WTS] Rare Omega Constellation 2000 Millennium 1504.50

Rare Omega Constellation 2000 Millennium 1504.50

Omega - 1504.50 · $999
This Omega Constellation 2000 Millennium edition is a unique timepiece commemorating the turn of the millennium, with only 2000 pieces produced. It features 'OMEGA 2000' text and lumed roman numeral markers instead of stick indexes.

  • Condition: Good condition, with normal signs of wear and scratching on the crystal
  • Production run: Limited to 2000 pieces
  • Service history: Unknown
Posted at
Apr 5, 2026, 8:40 PM
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[WTS] Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED

Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED

Omega - 2852-1 · $1,100
This Omega Constellation Pie Pan watch is stunning and a pinnacle in Omega's dress watch heritage. It features an original, untouched dial with patina'd perfectly and comes on a red leather strap.

  • Condition: Pre-owned, serviced a few years back
  • Lug width: 18mm
  • Strap material: red leather
Posted at
Apr 5, 2026, 3:52 PM
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[WTS] Omega Constellation Automatic Chronometer Watch $1800 SHIPPED

Omega Constellation Automatic Chronometer Watch $1800 SHIPPED

Omega - 168.0075 · $1,800
This Omega Constellation watch features a Cal 1111 movement, 35.5 mm diameter case, and comes with original Omega strap.

  • Condition: pre-owned working condition
  • Movement: Cal 1111
  • Diameter: 35.5mm
Posted at
Apr 4, 2026, 1:05 PM
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[WTS] Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450

Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450

Omega - 168.005 · $2,450
The Omega Constellation Pie Pan 168.005 is one of the most iconic dress watches of the 1960s, featuring a stainless steel 34mm case with dog-leg lugs and a silver sunburst dial.

  • Condition: Great Condition (Serviced)
  • Case size: 34mm
  • Movement type: Automatic
Posted at
Mar 31, 2026, 11:24 PM
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[WTS] Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

Omega - ST 368.1075 · $1,200
This rare vintage Omega Constellation “Manhattan” chronometer features a classic dress-watch design with distinctive 'claws' on the side of the case and an integrated bracelet. The champagne/gilt dial has oxidation, but the case remains in good shape with no deep scratches or dings.

  • Condition: Very nice vintage condition, showing light signs of honest wear consistent with age
  • Movement: Automatic self-winding chronometer-certified movement, typically the Omega Caliber 1110.11.40 (based on the ETA 2892-2)
  • Case diameter: 35mm
  • Water resistance: 30m (3 bar)
Posted at
Mar 31, 2026, 7:00 PM
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[WTS] Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – $1999 + shipping OBO

Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – $1999 + shipping OBO

Omega - 168.005 · $1,999
Up for sale is a **1964 Omega Constellation Pie Pan ref. 168.005**, featuring the classic **dog-leg lugs and cal. 561 movement**.

  • Condition: Excellent for its age
  • Movement: cal. 561
  • Dial condition: Excellent for its age
  • Serviced: Yes (in November 2025)
Posted at
Mar 31, 2026, 1:00 PM
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[WTS] Pair O’ Omega Constellation Manhattans - Stainless & Two Tone Wallet Friendly Day Dates!

Pair O’ Omega Constellation Manhattans - Stainless & Two Tone Wallet Friendly Day Dates!

Omega - Constellation Manhattan Day-Date · $950
The Omega Constellation Manhattan Day-Date is a fantastic choice for those after a small, thin, and complicated watch with integrated bracelets. It was designed by Carol Didisheim in 1982 and features a crisp white dial with luminescent hands and gold dot markers.

  • Condition: Pre-owned, small age-related wear throughout
  • Case Size: 33MM
  • Bracelet Length Stainless: up to 7.5 inches
  • Bracelet Length Two Tone: just over 7 inches
Posted at
Mar 30, 2026, 9:42 PM
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