Omega Constellation Constellation Co-Axial 31 Stainless Steel / Black

Reference 123.10.31.20.01.001

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 Chronometer Certified 168.018 with original bracelet

OMEGA Constellation Chronometer Certified 168.018 with original bracelet

OMEGA - 168.018 $1,500
This Omega Constellation Chronometer is a certified timepiece with an automatic Cal 564 movement and a stainless steel case measuring 35 x 40mm in diameter.

  • Condition: excellent condition
  • Movement type: Cal 564 Automatic
  • Jewels: 24
  • Beats per hour: 19800
Posted at
Sep 2, 2025, 9:12 PM
Active
[WTS] [USA] omega constellation 41mm

[USA] omega constellation 41mm

Omega - Constellation $3,500
A 41mm Omega Constellation is being sold for $3500 OBO.

  • Size: 41mm
Posted at
Sep 2, 2025, 4:56 PM
Active
[WTS] Ultra thin OMEGA Constellation Chronometer Certified 167.021 with extra bracelet

Ultra thin OMEGA Constellation Chronometer Certified 167.021 with extra bracelet

OMEGA - 167.021 $1,300
This Omega Constellation Chronometer is a rare ultra-thin model certified by the brand. It features an automatic movement with 24 jewels and a silver dial with original handset.

  • Condition: Excellent with normal signs of wear and use
  • Case dimensions: 33 x 39mm, thickness 8mm, 19mm lug width
  • Crystal condition: Acrylic crystal is free from scratches
  • Movement specs: Cal 712 Automatic 24 Jewels 19800 beats per hour
Posted at
Sep 2, 2025, 10:18 AM
Active
[WTS] 1963 Omega Constellation (Ref. 167.005)

1963 Omega Constellation (Ref. 167.005)

Omega - 167.005 $1,999
A 1963 Omega Constellation watch featuring a classic design, chronometer-rated movement, and distinctive Geneva Observatory caseback.

  • Condition: Excellent
  • Movement: 551
  • Case material: stainless steel
  • Size: 34mm
Posted at
Sep 1, 2025, 8:43 AM
Active
[WTS] Omega constellation 馃寣 perpetual calendar

Omega constellation 馃寣 perpetual calendar

This is a quartz version of the Omega Constellation Perpetual Date, featuring a black and silver design with a rare blue dial. The watch has been serviced in 2023 and comes with an 18k omega stamp and clean sapphire crystal.

  • Condition: Excellent
  • Diameter: 35.5mm
  • Movement Type: Quartz
  • Crystal Type: Sapphire
Posted at
Aug 31, 2025, 6:16 PM
Active