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

Reference 127.20.27.20.55.002

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

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 Ref. 168.005 “Türler” | Good Condition (Serviced) | $1800

Omega Constellation Ref. 168.005 “Türler” | Good Condition (Serviced) | $1800

Omega - 168.005 · $1,860
The Omega Constellation Ref. 168.005 “Türler” is a vintage watch from the early to mid-1960s with a stainless-steel case and flat silver dial. It features applied markers, dauphine hands, and a framed date window, making it a unique example of Omega's collaboration with the historic Swiss jeweller Türler.

  • Condition: Good Condition (Serviced)
  • Case size: 34.5mm
  • Movement: Caliber 561 (24-jewel chronometer-rated)
  • Power reserve: 50 hours
Posted at
Feb 24, 2026, 10:46 PM
Active
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[WTS] 1966 OMEGA CONSTELLATION WATCH

1966 OMEGA CONSTELLATION WATCH

Omega - 168.005 · $3,000
A modern vintage grail, 1966 Omega Constellation in UNPOLISHED/UNTOUCHED condition featuring the "dog leg" lugs and a cross-hair dial.

  • Condition: UNPOLISHED/UNTOUCHED with minor scratches on case and caseback
  • Case diameter: 34mm
  • Case length: 42.7mm (lug tip to lug tip)
  • Movement serial #: 24501601
Posted at
Feb 24, 2026, 7:13 PM
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[WTS] Omega Constellation Globemaster - $4600 shipped

Omega Constellation Globemaster - $4600 shipped

Omega - Constellation Globemaster · $4,600
This Omega Constellation Globemaster is the first watch to be METAS certified and features a 39mm case size. It comes with additional straps, including a Hirsch leather strap.

  • Condition: great working condition
  • Length: 7 inches
Posted at
Feb 24, 2026, 12:48 PM
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[WTS] OMEGA CONSTELLATION 123.10.38.21.01.001 - $1699 - DHL

OMEGA CONSTELLATION 123.10.38.21.01.001 - $1699 - DHL

Omega - 123.10.38.21.01.001 · $1,699
A Constellation model from Omega with automatic movement and original case and bracelet.

  • Condition: Good (9/10)
  • Movement: Automatic 2500
  • Case Dimensions: 35mm diameter
  • Serviced: 2026
Posted at
Feb 24, 2026, 10:21 AM
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[WTS] Omega Constellation Manhattan Quartz 1980s $899 Shipped 33MM

Omega Constellation Manhattan Quartz 1980s $899 Shipped 33MM

Omega - Constellation Manhattan Quartz · $899
a quartz-powered Omega Constellation Manhattan from the 1980s, measuring 33mm in diameter.

Posted at
Feb 23, 2026, 10:33 PM
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[WTS] Omega Constellation 33mm ref 1512.40 - $799 - DHL

Omega Constellation 33mm ref 1512.40 - $799 - DHL

Omega - 1512.40 · $799
This Omega Constellation is a quartz-powered watch with an original case and bracelet, measuring 33mm in diameter.

  • Condition: Good (9/10)
  • Movement: Quartz
  • Case dimensions: 33mm diameter
  • Bracelet type: Original
Posted at
Feb 23, 2026, 10:42 AM
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[WTS] Omega Constellation Pie Pan

Omega Constellation Pie Pan

Omega - Constellation Pie Pan · $1,800
A well-maintained Omega Constellation Pie Pan watch available for sale.

  • Condition: Very clean example!
Posted at
Feb 19, 2026, 6:39 PM
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[WTS](CONUS) Omega Constellation 168.047 - Vintage 1970s - Priced to Sell - Serviced - $750

(CONUS) Omega Constellation 168.047 - Vintage 1970s - Priced to Sell - Serviced - $750

Omega - 168.047 · $750
This Omega Constellation ref 168.047 is a vintage watch from the 1970s with a replaced dial, hands, crystal, and gasket. The case has superficial scratches, but the rest of the watch is in good condition.

  • Condition: Very good
  • Case Size: 40mm x 33mm
  • Movement Calibre: 1001
  • Movement Accuracy: +/- 15 secs a day
Posted at
Feb 19, 2026, 5:35 PM
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[WTS] Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped, Duties Covered

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 Omega Constellation 'Pie Pan' features a steel case with sunburst dial, automatic movement with date, dog-legged lugs, and inlaid black onyx markers. The watch has been recently serviced and comes paired with a new textured calf-leather strap.

  • Condition: Excellent, well-preserved
  • Case Size: 35mm diameter
  • Movement Caliber: 561 Automatic Date
  • Dial Color: White sunburst
Posted at
Feb 19, 2026, 9:23 AM
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