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 Ref. 198.0118 Textured Dial – $650

Omega Constellation Ref. 198.0118 Textured Dial – $650

Omega - 198.0118 · $650
  • Condition: fair vintage condition
  • Case size: 34mm (wears larger due to integrated bracelet design)
  • Fits wrist: ~7.5” comfortably
  • Bracelet material: original Omega, 10k gold filled
Posted at
Apr 8, 2026, 3:35 PM
Active
[WTS] Omega Constellation Pie Pan Crosshair Dial Ref 14393

Omega Constellation Pie Pan Crosshair Dial Ref 14393

Omega - 14393 · $1,950
This Omega Constellation features a Pie Pan Crosshair dial and comes fitted on an Omega beads of rice bracelet. The 35mm case is in good shape with sharp lugs.

  • Condition: some wear, overall great condition, sharp lugs
  • Bracelet: Omega beads of rice bracelet
Posted at
Apr 8, 2026, 11:55 AM
Active
[WTS] omega constellation 168.005 | original crystal & crown | unpolished

omega constellation 168.005 | original crystal & crown | unpolished

Omega - 168.005 · $2,250
The Omega Constellation is a luxury watch being sold unpolished, retaining its original crystal and crown. It comes with a metal lined presentation box.

  • Condition: unpolished
  • Original crystal & crown: true
  • Shipped: true
Posted at
Apr 8, 2026, 7:29 AM
Active
[WTS] Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – Serviced (11/2025) – $1945 + shipping OBO

Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – Serviced (11/2025) – $1945 + shipping OBO

Omega - 168.005 · $1,945
a 1964 Omega Constellation Pie Pan ref. 168.005 featuring dog-leg lugs and cal. 561 movement, serviced in November 2025.

  • Condition: Excellent for its age
  • Calibre: Cal. 561 movement
  • Year: 1964
  • Movement type: Chronometer-grade
Posted at
Apr 7, 2026, 3:26 PM
Active
[WTS] (Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

(Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

· $65
This listing is about a display caseback designed to fit many Omega Seamaster and Constellation watches from the 1960s, made by Spiralwinder.

  • Caseback type: Spiralwinder
  • Compatible models: 1960s Seamasters and Constellations
Posted at
Apr 7, 2026, 1:54 PM
Active
[WTS] Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

Omega - 168.005 · $2,600
The Omega Constellation Pie Pan Ref. 168.005 is a quintessential 1960s dress watch that embodies Omega’s pursuit of precision and elegance during the golden age of Swiss watchmaking.

  • Condition: Great serviced condition
  • Movement: Omega Calibre 564
  • Jewels: 24
Posted at
Apr 6, 2026, 11:13 PM
Active
[WTS] Package Deal! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

Package Deal! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

Two Omega Constellation Manhattan Day-Dates for sale, one in full steel and the other in two-tone. Both have crisp white dials, luminescent hands, and gold dot markers.

  • Condition: Pre-owned, unpolished with age-related wear
  • Diameter: 33MM
  • Bracelet Length Stainless: up to approximately 7.5 inches
  • Bracelet Length Two Tone: just over 7 inches
Posted at
Apr 6, 2026, 9:48 PM
Active
[WTS] Rare Omega Constellation 2000 Millennium 1504.50

Rare Omega Constellation 2000 Millennium 1504.50

Omega - 1504.50 · $999
This Omega Constellation 2000 Millennium edition is a unique timepiece commemorating the turn of the millennium, with only 2000 pieces produced. It features 'OMEGA 2000' text and lumed roman numeral markers instead of stick indexes.

  • Condition: Good condition, with normal signs of wear and scratching on the crystal
  • Production run: Limited to 2000 pieces
  • Service history: Unknown
Posted at
Apr 5, 2026, 8:40 PM
Active
[WTS] Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED

Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED

Omega - 2852-1 · $1,100
This Omega Constellation Pie Pan watch is stunning and a pinnacle in Omega's dress watch heritage. It features an original, untouched dial with patina'd perfectly and comes on a red leather strap.

  • Condition: Pre-owned, serviced a few years back
  • Lug width: 18mm
  • Strap material: red leather
Posted at
Apr 5, 2026, 3:52 PM
Active