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

Reference 127.20.27.20.55.002

About this watch

The Omega Constellation Co-Axial Master Chronometer 27 is a masterpiece of luxury watchmaking. This stunning timepiece boasts a petite yet bold presence with its 27mm diameter, crafted from high-quality stainless steel and yellow gold. The white Mother of Pearl dial is a work of art, featuring gem-set indexes that add a touch of opulence. The Co-Axial escapement technology ensures precision and longevity, while the Master Chronometer certification guarantees accuracy and resistance to magnetic fields up to 15,000 gauss. With its 100m water resistance and comfortable 17mm lug width, this watch is perfect for everyday wear. Whether you're a seasoned collector or looking for a special piece to mark an occasion, the Constellation's luxurious appearance and durability make it a compelling choice.
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MSRP: $9,300
Market Price: $5,324

Key Features

  • 27mm diameter stainless steel and yellow gold case
  • White Mother of Pearl dial with gem-set indexes
  • Co-Axial escapement technology for precision and longevity
  • Master Chronometer certification for accuracy and resistance to magnetic fields
  • 100m water resistance
  • Comfortable 17mm lug width
  • Date function and small seconds hand

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Yellow Gold / MOP
Reference
127.20.27.20.55.002
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 Chrono 2 Tone 34mm (AKA the Manhattan) $850

Omega Constellation Chrono 2 Tone 34mm (AKA the Manhattan) $850

This Omega Constellation Chronograph features a stainless steel case with an 18k gold bezel and an integrated two-tone steel & gold link bracelet. The watch is powered by an Omega quartz chronograph movement that runs strong and keeps good time.

  • Condition: Overall good vintage condition, normal wear from age
  • Case Material: Stainless steel
  • Bezel Material: 18k gold
  • Bracelet Material: Two-tone steel & gold link
Posted at
Nov 9, 2025, 4:13 PM
Active
[WTS] Omega Constellation. Automatic. $1125 only !!

Omega Constellation. Automatic. $1125 only !!

Omega - Constellation · $1,125
A Omega Constellation automatic watch is being sold for $1125, including shipping.

  • Shipping cost included: true
  • Shipping method: Fedex with insurance
  • Shipping available globally: true
Posted at
Nov 9, 2025, 12:19 PM
Active
[WTS] 1963 Demi Gold Omega Constellation “Dog-Leg” Case Ref. 167.005 Cal.551 | Great Condition (Serviced) | $1900

1963 Demi Gold Omega Constellation “Dog-Leg” Case Ref. 167.005 Cal.551 | Great Condition (Serviced) | $1900

Omega - 167.005 Cal.551 · $1,900
This Omega Constellation Ref. 167.005 features a flat dial with applied gold hour markers, Dauphine hands, and a smooth, balanced appearance on the wrist. The case is a gold-capped over stainless steel construction with dog-leg lugs and a signed plexiglass crystal.

  • Condition: Great, serviced condition
  • Case diameter: 34mm
  • Movement: Omega Caliber 551
Posted at
Nov 8, 2025, 10:17 PM
Active
[WTS] 33.5 Mens Omega Constellation 1217.15.00 -Factory diamond bezel and Diamond Dial

33.5 Mens Omega Constellation 1217.15.00 -Factory diamond bezel and Diamond Dial

Omega - 1217.15.00 · $2,070
This Omega Constellation, reference 1217.15.00, is a 33.5mm men's model crafted in stainless steel with 18K gold accents, featuring a factory-set diamond bezel and a honeycomb-textured dial adorned with diamond hour markers.

  • Condition: Pre-owned, shows honest signs of previous wear on the case and bracelet
  • Case size: 33.5mm diameter
  • Bracelet length: 6.6 inches
  • Movement type: Quartz
Posted at
Nov 8, 2025, 11:00 AM
Active
[WTS] Omega Constellation 41mm – Ref. 131.33.41.21.01.001 NEW LOWER PRICE

Omega Constellation 41mm – Ref. 131.33.41.21.01.001 NEW LOWER PRICE

The Omega Constellation Co-Axial Master Chronometer features a meteorite silver dial, stainless steel case, and black ceramic bezel with Roman numerals.

  • Condition: Excellent
  • Movement: Caliber 8900 automatic movement
  • Water Resistance: 50m
  • Case Size: 41mm
Posted at
Nov 6, 2025, 10:55 AM
Active
[WTS] 1958 Omega Constellation ‘Pie Pan’ Arrowhead Ref. 2852-1SC | Good Condition (Serviced) | $3250

1958 Omega Constellation ‘Pie Pan’ Arrowhead Ref. 2852-1SC | Good Condition (Serviced) | $3250

Omega - 2852-1SC · $3,250
The Omega Constellation ‘Pie Pan’ Arrowhead Ref. 2852-1SC is one of the most sought-after and distinctive Constellation references from the mid-1950s, produced circa 1958.

  • Condition: Good Condition (Serviced)
  • Case diameter: 34.5mm
  • Lug-to-lug distance: 43.5mm
  • Thickness: 11mm
Posted at
Nov 6, 2025, 12:21 AM
Active
[WTS] Omega Constellation Quartz $600

Omega Constellation Quartz $600

This is an Omega Constellation Quartz from the 80s with a brushed dial and blued hands, offered at a discounted price.

  • Dial type: brushed
  • Hands color: blued
Posted at
Nov 4, 2025, 12:30 PM
Active
[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