Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / Orbis

Reference 123.15.27.20.03.001

About this watch

The Omega Constellation Co-Axial 27 is a masterpiece of watchmaking, combining stunning design with advanced functionality. Its sophisticated blue dial and shimmering diamond bezel are set against a brushed stainless steel case, creating a timeless piece that's both elegant and robust. With a water resistance of up to 100 meters and sapphire glass protection, this watch can withstand everyday challenges. The automatic Omega caliber 8520 movement features Co-Axial escapement technology, reducing friction and increasing longevity and accuracy. Chronometer certification ensures precision timekeeping, while the date function adds to its overall functionality. This watch is a statement piece that embodies elegance, precision, and versatility, making it a worthy contender for those seeking a luxury timepiece.
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MSRP: $8,600
Market Price: $3,896

Key Features

  • Automatic Movement (Omega Caliber 8520)
  • Chronometer Certification
  • Sapphire Glass Crystal Protection
  • 100m Water Resistance
  • Date Function
  • Co-Axial Escapement Technology
  • Stainless Steel Case and Diamond Bezel

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / Orbis
Reference
123.15.27.20.03.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 27mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] 1962 Omega Constellation ref. 14777 Chronometer Cal. 531 w/ crosshair dial and BOR braclet - 'Jumbo' 37mm case - $1250 shipped

1962 Omega Constellation ref. 14777 Chronometer Cal. 531 w/ crosshair dial and BOR braclet - 'Jumbo' 37mm case - $1250 shipped

Omega - 14777 · $950
A 1962 Omega Constellation ref. 14777, also known as the 'jumbo' Connie, features a stainless-steel 37mm case and chronometer-rated cal. 561 movement. The watch has a classic look but wears noticeably larger on the wrist.

  • Condition: Pre-owned with signs of wear and past polish
  • Case size: 37mm diameter
  • Bracelet length: 7.75" or below
  • Movement: Cal. 561 automatic chronometer
Posted at
Jan 22, 2026, 4:53 PM
Active
[WTS] IWC Mark XVIII LPP and Omega Constellation Pie Pan

IWC Mark XVIII LPP and Omega Constellation Pie Pan

IWC - Mark XVIII LPP · $2,900
A IWC Mark XVIII LPP with an aftermarket brown strap is being sold, along with an Omega Constellation Pie Pan.

  • Strap material: leather
  • Omega model: Constellation Pie Pan
Posted at
Jan 20, 2026, 5:57 PM
Active
[WTS] 1961 Omega Constellation “Jumbo” ref. 14778-61 SC w/ Cal. 551 – 37mm – Serviced Jan 2026 – $2300 shipped & insured

1961 Omega Constellation “Jumbo” ref. 14778-61 SC w/ Cal. 551 – 37mm – Serviced Jan 2026 – $2300 shipped & insured

Omega - 14778-61 SC · $2,300
For sale is an uncommon Omega Constellation ref. 14778-61 SC, the desirable “jumbo” 37mm no-date Connie, in very strong overall condition.

  • Condition: very strong overall condition with a clean, original-looking dial and a freshly serviced Cal. 551
  • Case diameter: 37mm
  • Lug width: 19mm
  • Crystal condition: original plexiglas with a small crack near the edge at 12 o'clock
Posted at
Jan 19, 2026, 7:29 PM
Active
[WTS] 1970 Omega Constellation “C-Case” ref. 168.045 w/ Cal. 751 – Day-Date Chronometer – Fresh Jan 2026 service – WG fluted bezel – $950 shipped

1970 Omega Constellation “C-Case” ref. 168.045 w/ Cal. 751 – Day-Date Chronometer – Fresh Jan 2026 service – WG fluted bezel – $950 shipped

Omega - 168.045 · $950
1970 Omega Constellation 'C-Case' ref. 168.045, a Day-Date Chronometer with Cal. 751, recently serviced in January 2026.

  • Case material: Steel
  • Movement: Cal. 751
Posted at
Jan 19, 2026, 8:39 AM
Active
[WTS] 2025 LNIB Omega Constellation Globemaster 39mm Blue 10/25 Ref# 130.30.39.21.03.001

2025 LNIB Omega Constellation Globemaster 39mm Blue 10/25 Ref# 130.30.39.21.03.001

2025 LNIB Omega Constellation Globemaster 39mm Blue with domed Pie Pan blue dial and fluted bezel.

  • Condition: 9.5/10, minor cosmetic imperfections possibly
  • Diameter: 39mm
  • Water resistance: 150m
  • Power reserve: 60 hours
Posted at
Jan 18, 2026, 11:22 AM
Active
[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega - 168.017 · $775
Up for sale is an Omega Constellation C Shape reference 168.017 from 1969, featuring a stainless steel case with a 35mm diameter and an off-white dial.

  • Condition: great, with a few hairline scratches
  • Case Size: 35mm diameter
  • Movement: Calibre 564, automatic
Posted at
Jan 18, 2026, 7:52 AM
Active
Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

The Omega Constellation Globemaster 39mm is a versatile dress watch with a dark blue pie pan dial and fluted tungsten carbide bezel. It has goldilocks proportions and a beautiful 3-row bracelet.

  • Condition: 98% pristine, minor hairline marks on lugs and possibly a faint desk diving mark on case or bracelet
  • Case dimensions: 39mm x 46.7mm lug to lug x 12.6mm thick
  • Bracelet type: 3-row with slightly curved central links
Posted at
Mar 31, 2025, 10:32 AM
Active