Omega Constellation Constellation Co-Axial 31 Stainless Steel / MOP

Reference 123.10.31.20.55.001

About this watch

The Omega Constellation Co-Axial 31 is a stunning piece that beautifully marries function and form. With its exquisite design, reliable movement, and versatile nature, it’s a watch that can easily become a cherished part of your collection. This timepiece is perfect for anyone who appreciates fine craftsmanship and luxury, whether you’re a watch collector, a business professional, or someone who enjoys elegant accessories. The Omega Constellation Co-Axial 31 is not just a statement piece; it’s a testament to the legacy of innovation and excellence that Omega embodies. Its Chronometer certification ensures accuracy, while its water resistance up to 100 meters makes it suitable for swimming and snorkeling. This watch can be dressed up or down, making it an excellent addition to any wardrobe. When you wear an Omega, you’re embracing a legacy of precision and elegance.
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Key Features

  • Omega caliber 8520 movement
  • Sapphire crystal glass
  • 100m water resistance
  • Stunning MOP dial
  • Gem-set indexes
  • Chronometer certified for accuracy

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / MOP
Reference
123.10.31.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 31mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Jumbo 14777-61SC 37mm  | Good Condition (Serviced) | $1700

Omega Constellation Jumbo 14777-61SC 37mm | Good Condition (Serviced) | $1700

Omega - 14777-61SC · $1,760
The Omega Constellation Jumbo Ref. 14777-61SC is a vintage watch with a clean, flat dial aesthetic and a starburst dial that plays with light in unique ways.

  • Condition: Good condition, minor scratches and natural marks for its age
  • Case diameter: 37mm
  • Lug width: 19mm
  • Movement: Caliber 561, chronometer-rated automatic with date complication
Posted at
Dec 4, 2025, 10:35 PM
Active
[WTS] OMEGA Constellation - 368.1201 - 2006 - Amazing condition - Lowest price online with price match ⭐️

OMEGA Constellation - 368.1201 - 2006 - Amazing condition - Lowest price online with price match ⭐️

OMEGA - 368.1201 · $1,595
A pre-owned Omega Constellation 368.1201 in excellent condition, featuring an automatic stainless steel movement with a white linen dial and a 35.5mm diameter integrated bracelet.

  • Condition: Excellent
  • Diameter: 35.5mm
  • Thickness: 10mm
  • Water Resistance: 3ATM
Posted at
Dec 4, 2025, 2:59 PM
Active
[WTS] Omega Constellation Automatic Chronometer Ref. 167.005 | Great Condition (Serviced) | $1250

Omega Constellation Automatic Chronometer Ref. 167.005 | Great Condition (Serviced) | $1250

Omega - 167.005 · $1,250
The Omega Constellation Ref. 167.005 is one of the most iconic mid-century designs from Omega, featuring a beautiful sunburst dial, sharp dog-leg lugs, and dauphine hands.

  • Condition: great serviced condition
  • Movement: Omega Caliber 551
  • Power reserve: over 40 hours
  • Case size: 34mm
Posted at
Dec 2, 2025, 12:06 PM
Active
[WTS] Omega Pie Pan Constellation 14902 62 SC

Omega Pie Pan Constellation 14902 62 SC

Omega - 14902 62 SC · $1,650
For sale a beautiful Omega Pie Pan constellation Dial outer layer cleaned Watch will be services upon payment with custom strap added

  • Dial condition: outer layer cleaned
Posted at
Dec 2, 2025, 11:49 AM
Active
[WTS] Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega - 14393 · $7,500
A very rare 1960s Omega Constellation Ref. 14393, produced in 18K rose gold, with a silver pie pan dial.

  • Condition: Beautiful condition
  • Material: 18K rose gold
  • Year: 1960s
Posted at
Dec 2, 2025, 10:07 AM
Active
[WTS] 1962 Omega Constellation “Jumbo” ref. 14777 w/ cal. 561 – 37mm chronometer, serviced 11/2024 – $990 shipped

1962 Omega Constellation “Jumbo” ref. 14777 w/ cal. 561 – 37mm chronometer, serviced 11/2024 – $990 shipped

Omega - 14777 · $990
This 1962 Omega Constellation ref. 14777, also known as the 'jumbo' Connie, features a 37mm stainless-steel case and chronometer-rated cal. 561 movement. The watch has been fully serviced in November 2024 and is ready to wear.

  • Condition: Pre-owned
  • Case size: 37mm diameter
  • Movement rating: chronometer
  • Movement type: cal. 561 automatic
Posted at
Dec 1, 2025, 9:13 AM
Active
[WTS] 1956 Omega Constellation pie-pan ref. 2852 cal. 505, white-gold arrowheads – serviced Apr 2025 – $995 shipped

1956 Omega Constellation pie-pan ref. 2852 cal. 505, white-gold arrowheads – serviced Apr 2025 – $995 shipped

Omega - 2852 · $995
This is a 1956 Omega Constellation ref. 2852, featuring a stainless-steel dog-leg case and a silver pie-pan crosshair dial with white-gold arrowhead markers. It's powered by the chronometer-rated cal. 505 automatic movement, which has been fully serviced in April 2025.

  • Condition: Poor cosmetic shape, honest wear and surface scratches from use
  • Caliber: 505
  • Movement type: Automatic Chronometer
  • Water resistance: Not waterproof, treat as vintage watch
Posted at
Dec 1, 2025, 9:00 AM
Active
[WTS] Omega Constellation Automatic 🇨🇭 free shipping to USA

Omega Constellation Automatic 🇨🇭 free shipping to USA

This Omega Constellation Automatic is a beautiful 2-tone stainless steel and gold watch with a matching gold dial. It has been timegrapher checked and is running at -17spd.

  • Condition: great condition with minor signs of wear
  • Bracelet size adjustability: 7-8 inches
  • Case dimensions: 35mm diameter, 38mm lug to lug, 23mm lug width, 7mm thickness
  • Service history: unknown
Posted at
Nov 29, 2025, 9:03 PM
Active
[WTS] Vintage Omega Constellation Pie Pan 1967 168.005 w/ Papers

Vintage Omega Constellation Pie Pan 1967 168.005 w/ Papers

Omega - 168.005 · $1,950
1967 Omega Constellation Pie Pan watch in excellent condition, comes with papers and works great.

  • Condition: Excellent shape given its age
  • Case size: 34mm
Posted at
Nov 29, 2025, 1:42 PM
Active