Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Red Gold / Brown MOP

Reference 123.20.27.20.57.001

About this watch

Welcome to the world of horology, where timepieces are not just instruments but works of art. The Omega Constellation Co-Axial 27 is a stunning example of luxury and sophistication, with its refined design and intricate mechanics making it a must-have for any watch enthusiast or fashion-forward individual. The brushed stainless steel case paired with red gold accents creates a striking visual contrast that's hard to miss. The brown mother of pearl dial catches the light beautifully, making each glance at your wrist a delightful experience. Equipped with Dauphine hands and gem-set indexes, this watch ensures readability without compromising style. The Omega caliber 8520 is a marvel of modern engineering, featuring a Co-Axial escapement that minimizes friction and enhances accuracy. With a power reserve of up to 50 hours, you can trust that your watch will keep going even when you take it off for a weekend getaway! The Constellation Co-Axial 27 is a certified chronometer, meaning it has passed rigorous tests for precision. When you wear this watch, you're not just wearing a piece of jewelry; you're wearing a timekeeping instrument that has been rigorously vetted for accuracy. With its stunning design, reliable movement, and versatile wearability, it's a timepiece that deserves a place in your collection.
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Key Features

  • Omega caliber 8520 automatic movement
  • Co-Axial escapement with minimized friction
  • 50-hour power reserve
  • 100-meter water resistance
  • Brown mother of pearl dial with gem-set indexes
  • Dauphine hands for readability and style
  • Certified chronometer for precision

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Red Gold / Brown MOP
Reference
123.20.27.20.57.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27.3mm
Dial Color
Brown
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Pie Pan Steel Ref. 168.005 | Great Dial, Sharp Case | Dog-leg Lugs | All Original | $2400 (SERVICED)

Omega Constellation Pie Pan Steel Ref. 168.005 | Great Dial, Sharp Case | Dog-leg Lugs | All Original | $2400 (SERVICED)

Omega - 168.005 · $2,400
This vintage Omega Constellation has a 'Pie Pan' dial with faceted edges and bold applied markers, making it a design icon of the mid-century era.

  • Condition: Serviced, excellent condition
  • Case Diameter: 34mm
  • Thickness: ~11mm
  • Lug To Lug: 43.5mm
Posted at
Mar 13, 2026, 12:00 PM
Active
[WTS] Excellent Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped + Duties Covered

Excellent Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped + Duties Covered

Omega - 168.005 · $2,500
This is a classic Omega Constellation 'Pie Pan' in steel with a sunburst dial, running the caliber 561 automatic movement.

  • Condition: Excellent, unpolished and untouched with only light honest marks
  • Movement: Caliber 561 automatic date
  • Case size (excluding crown): 35mm
  • Lug style: Dog-legged lugs
Posted at
Mar 12, 2026, 11:20 AM
Active
[WTS] Mint Omega Gold-Capped Constellation White Sunburst Dial - Ref. 168.018 - Caliber 564 Chronometer Automatic Date - From 1969 - $2300 Shipped + Duties Covered!

Mint Omega Gold-Capped Constellation White Sunburst Dial - Ref. 168.018 - Caliber 564 Chronometer Automatic Date - From 1969 - $2300 Shipped + Duties Covered!

Omega - 168.018 · $2,300
This Omega Constellation features a gold-capped case design with a sunburst dial and thick hour markers. The watch is in exceptional condition with no flaws, retaining its original brushing and textures.

  • Condition: Mint, new-old-stock
  • Movement: Caliber 564 Chronometer Automatic Date
  • Size: 35mm diameter (excluding the crown)
  • Year: 1969
Posted at
Mar 12, 2026, 11:19 AM
Active
[WTS] 1971 Omega Constellation ref. 168.0056 w/ Cal. 1011 on original Omega brick bracelet – clean original dial – $1,250 shipped

1971 Omega Constellation ref. 168.0056 w/ Cal. 1011 on original Omega brick bracelet – clean original dial – $1,250 shipped

Omega - 168.0056 · $1,250
A vintage Omega Constellation ref. 168.0056 from 1971, powered by the Cal. 1011 automatic movement and featuring a clean original dial, unpolished C-case, and original Omega brick bracelet.

  • Condition: Pre-owned with minor hairline scratches on the case
  • Movement: Omega Cal. 1011 automatic, chronometer-certified
  • Case size: 35mm without crown
  • Lug width: 19mm
Posted at
Mar 12, 2026, 8:42 AM
Active
[WTS] Omega 2852-11-SC — Constellation Chronometer Arrowhead & Flat-Domed Crosshair Dial (1958) — Cal. 505 (Fresh Service) — Original BoR Bracelet — $2,400 Shipped

Omega 2852-11-SC — Constellation Chronometer Arrowhead & Flat-Domed Crosshair Dial (1958) — Cal. 505 (Fresh Service) — Original BoR Bracelet — $2,400 Shipped

Omega - 2852-11-SC · $2,200
This Omega Constellation ref. 2852-11-SC features a classic early Constellation design with an arrowhead dial and is powered by the chronometer-certified Cal. 505 automatic movement. The watch comes on its original beads-of-rice bracelet.

  • Condition: Pre-owned, with honest signs of wear consistent with age
  • Case Size: 34.5mm x 42mm diameter
  • Thickness: 11.5mm
  • Lug Width: 18mm
Posted at
Mar 11, 2026, 10:17 PM
Active
[WTS] Omega Constellation Globemaster Annual Calendar Box & Papers

Omega Constellation Globemaster Annual Calendar Box & Papers

The Omega Constellation Globemaster Annual Calendar features a sunburst grey dial with applied hour markers and a fluted bezel. It is powered by the Co-Axial Master Chronometer Caliber 8922, delivering outstanding precision and resistance to magnetic fields up to 15,000 gauss.

  • Condition: Great pre-owned condition with light signs of careful wear
  • Movement caliber: Co-Axial Master Chronometer Caliber 8922
  • Bracelet material: stainless steel
Posted at
Mar 9, 2026, 9:39 AM
Active
[WTS] Omega Constellation 1961 14k Goldtop Case (Original Box / Papers)

Omega Constellation 1961 14k Goldtop Case (Original Box / Papers)

Omega - 14393 · $1,200
A 1961 Omega Constellation with a white dome dial and 14k gold capped case, presented in its original box and paperwork.

  • Case material: 14k goldtop case (stainless steel and gold capped)
  • Diameter: 34mm
  • Movement: Omega automatic cal 561
Posted at
Mar 8, 2026, 3:30 PM
Active
[WTS] Omega Constellation Globemaster - $4100 shipped

Omega Constellation Globemaster - $4100 shipped

A METAS certified Omega Constellation Globemaster, featuring a 39mm case size and available with two straps.

  • Condition: great working condition
  • Case Size: 39mm
Posted at
Mar 8, 2026, 12:15 AM
Active
[WTS] Omega Constellation Jumbo Ref. 168.001 37mm | Good Condition (Serviced) | $1500

Omega Constellation Jumbo Ref. 168.001 37mm | Good Condition (Serviced) | $1500

Omega - 168.001 · $1,500
The Omega Constellation Jumbo Ref. 168.001 is a vintage watch with a 37mm diameter stainless steel case and a clean, flat dial aesthetic. It features a starburst dial with onyx inserts and dauphine hands, powered by Omega's Caliber 561 automatic movement.

  • Condition: Good, serviced
  • Case diameter: 37mm
  • Lug width: 19mm
Posted at
Mar 6, 2026, 9:32 PM
Active