Omega Constellation Constellation Co-Axial 31 Stainless Steel / Black

Reference 123.10.31.20.01.001

Omega Constellation Co-Axial 31 Stainless Steel / Black

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece of luxury watchmaking, boasting a stunning stainless steel casing and alluring black dial with stick and dot indexes. At the heart lies the Omega caliber 8520 movement, a marvel of engineering with 50-hour power reserve and chronometer certification. The watch's sleek design and robust features make it perfect for any occasion, while its water resistance up to 100 meters ensures you can wear it with confidence. As part of the Constellation family, this timepiece is steeped in heritage and precision, making it an exceptional value in the luxury category. Whether you're a professional or watch enthusiast, this watch is sure to leave a lasting impression.
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Key Features

  • Omega caliber 8520 movement
  • Chronometer certification
  • Sapphire glass
  • Water resistance up to 100 meters
  • Stainless steel casing
  • Black dial with stick and dot indexes
  • Dauphine hands

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / Black
Reference
123.10.31.20.01.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 31mm
Dial Color
Black
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
Active
View listing on r/WatchExchange
[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
Active
View listing on r/WatchExchange
[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
Active
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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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View listing on r/WatchExchange
[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
Active
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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
Active
View listing on r/WatchExchange