Omega Constellation Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Red Gold / Diamond / MOP

Reference 127.25.27.20.55.001

About this watch

In the world of luxury watches, few brands stand out as prominently as Omega. Their timepieces are not just about telling time; they embody elegance, precision, and innovation. Today, we're diving deep into one of their stunning models—the Omega Constellation Co-Axial Master Chronometer 27 Small Seconds. This watch is a true masterpiece, blending modern technology with classic design. The Omega Constellation collection has long been synonymous with sophisticated elegance. Launched in 1952, this family of watches has evolved over the decades while maintaining its signature style. Each piece reflects a commitment to quality and artistry, making it a favorite among watch enthusiasts and collectors alike. At the heart of the Omega Constellation 127.25.27.20.55.001 is the remarkable Caliber 8704. This self-winding movement features the innovative Co-Axial escapement, enhancing accuracy and reducing friction. The combination of red gold and stainless steel gives this watch a striking appearance. One of the standout features of this timepiece is the Mother of Pearl (MOP) dial, displaying a mesmerizing iridescence that changes with the light. The Omega Constellation isn't just about looks; it's designed for precision. With a 50-hour power reserve and automatic winding in both directions, you can trust that it'll keep ticking even when you take it off for a couple of days.
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Key Features

  • Caliber 8704 Co-Axial Escapement Movement
  • Mother of Pearl Dial with Iridescence
  • Red Gold and Stainless Steel Case
  • Gem-Set Bezel and Indexes
  • Water Resistance up to 100m
  • 50-Hour Power Reserve and Automatic Winding
  • Small Seconds Hand at 9 o'clock Position

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Red Gold / Diamond / MOP
Reference
127.25.27.20.55.001
Movement
8704
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega CONSTELLATION piepan Quartz Ref. 196.0189 550USD including the shipping

Omega CONSTELLATION piepan Quartz Ref. 196.0189 550USD including the shipping

Omega - 196.0189 · $550
1980s Omega Seamaster with a beautifully aged dial, housed in a 34mm case.

  • Case Diameter: 34mm
  • Caliber: Quartz Caliber 1342
Posted at
Nov 3, 2025, 11:03 PM
Active
[WTS] 1950s Omega Constellation (Ref. 14381-11) 'Pie Pan'

1950s Omega Constellation (Ref. 14381-11) 'Pie Pan'

Omega - 14381-11 · $2,999
This 1950s Omega Constellation features a stainless steel case with a yellow gold cap, 34mm diameter, and a 43.5mm lug to lug length.

  • Condition: Very Good
  • Case size: 34mm diameter
  • Movement: 551
Posted at
Nov 3, 2025, 6:51 PM
Active

Omega Rail Track Piepan Constellation 1600USD including the shipping

Omega - 14393 · $1,600
A very special Omega up for sale! This Omega RailTrack Constellation from the 1950s features a 35mm case diameter.

  • Case Diameter: 35mm
  • Caliber: Caliber. 561 Self winding (AUTOMATIC)
  • Bracelet Type: Vintage Mruman Beads of rice bracelet
Posted at
Nov 3, 2025, 12:15 AM
Active
[WTS] 1973 Omega Constellation Megaquartz Ref. 196.0015 Cal. 1310 - First Omega In-House Quartz Movement | $900

1973 Omega Constellation Megaquartz Ref. 196.0015 Cal. 1310 - First Omega In-House Quartz Movement | $900

Omega - 196.0015 · $900
The Omega Constellation Megaquartz Ref. 196.0015 features a 37 mm stainless steel case with an integrated bracelet and crisp silver dial. This rare version is in excellent condition, with minor markings on the bracelet.

  • Condition: Very good, almost NOS
  • Case Size: 37mm x 42.3mm stainless steel case
  • Thickness: 12.3mm
  • Lug Width: 18mm
Posted at
Nov 2, 2025, 12:03 PM
Active
[WTS] Omega Constellation Crosshair Ref. 168.005 | Great Original Condition (Serviced) | $2200

Omega Constellation Crosshair Ref. 168.005 | Great Original Condition (Serviced) | $2200

Omega - 168.005 · $2,260
The Omega Constellation Pie Pan Ref. 168.005 features a crosshair dial in a stainless steel 34mm case with dog-leg lugs. It has a silver sunburst dial and is powered by the Omega Caliber 561 chronometer-certified automatic movement.

  • Condition: Great original condition with minor scratches and patina dots
  • Case diameter: 34mm
  • Movement type: Automatic
  • Movement caliber: 561
Posted at
Nov 2, 2025, 11:54 AM
Active
[WTS] Omega Constellation Lady 595.0102 only for 299$ Shipped 🚢

Omega Constellation Lady 595.0102 only for 299$ Shipped 🚢

Omega - 595.0102 · $299
Up for sale is an Omega Constellation Lady featuring a stainless steel case with a case size of 22mm, paired with an aftermarket lizard strap.

  • Condition: Pre-owned with hairline scratches on the case and signs of aging on the dial
  • Case Size: 22mm diameter
  • Movement Type: Quartz
Posted at
Nov 2, 2025, 8:52 AM
Active
[WTS] Omega Constellation C-Case 168.0056 Rare Navy Blue Dial – $950 OBO

Omega Constellation C-Case 168.0056 Rare Navy Blue Dial – $950 OBO

Omega - 168.0056 · $950
This Omega Constellation C-Case features a rare navy blue dial in a classic design, along with an original Cal. 1010 movement and a clean, original navy dial.

  • Condition: Good shape and ready to wear
  • Bracelet size: 6.3"
  • Max bracelet size: 7.5"
  • Movement: Cal. 1010
Posted at
Oct 30, 2025, 11:07 PM
Active