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

Reference 127.20.27.20.55.001

About this watch

The Omega Constellation Co-Axial Master Chronometer with the reference number 127.20.27.20.55.001 is a stunning representation of luxury watches. This exquisite timepiece combines innovative technology, elegant design, and rich heritage. Its luxurious materials, including red gold and stainless steel, create a striking contrast that exudes sophistication. The mother of pearl dial adds an iridescent quality, making every glance at the watch feel like a moment of discovery. The open case back allows you to admire the intricate movement of the Omega Caliber 8704, which features the renowned Co-Axial escapement and Master Chronometer certification granted by METAS. This self-winding movement is a marvel of engineering, significantly reducing friction between components for greater accuracy and longevity. The watch is packed with features that enhance its usability, including classic hours, minutes, small seconds hand, and date function. With a water resistance rating of 100 meters, this watch can handle daily wear and occasional exposure to water. Its design is timeless, making it a worthy investment for years to come.
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Key Features

  • Luxurious red gold and stainless steel materials
  • Mother of pearl dial with gem-set indexes
  • Omega Caliber 8704 Co-Axial escapement movement
  • Master Chronometer certification by METAS
  • Water resistance up to 100 meters
  • Date function and small seconds hand
  • Classic hours, minutes, and Dauphine hands for optimal legibility

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Red Gold / MOP
Reference
127.20.27.20.55.001
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] 1966 Omega Constellation Piepan "Meister" cosigned dial

1966 Omega Constellation Piepan "Meister" cosigned dial

Additional details are provided, but no description of the watch itself is available.

Posted at
May 7, 2026, 10:46 PM
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[WTS] Omega Constellation Gold Pie Pan $2100

Omega Constellation Gold Pie Pan $2100

Omega - 168.005 · $2,100
A classic early-60s Constellation with an iconic pie-pan dial and clean case, perfectly representing Omega's chronometer design language at its peak.

  • Condition: Excellent with all original parts
  • Case material: Gold Cap case
  • Dial description: Pie-pan dial
  • Dimensions width: 34.5 mm (excluding crown)
Posted at
May 7, 2026, 4:34 PM
Active
[WTS] Omega Constellation Manhattan Day Date Gold & Stainless - GET YOUR MET GALA ON Just $995 SHIPPED

Omega Constellation Manhattan Day Date Gold & Stainless - GET YOUR MET GALA ON Just $995 SHIPPED

A vintage Omega Constellation Manhattan with a crisp white dial and gold dot markers. The watch features an integrated bracelet and a Swiss quartz movement with quickset date.

  • Condition: Pre-owned, unpolished, with age-related wear
  • Diameter: 33mm
  • Bracelet size: approximately 7.25 inches
  • Movement type: Swiss quartz movement with quickset date
Posted at
May 6, 2026, 10:00 PM
Active
[WTS] 1973 Omega Constellation ref. 168.0057 w/ Cal. 1021 – Serviced, 35mm gold-capped case, original 1040 bracelet – $1,375

1973 Omega Constellation ref. 168.0057 w/ Cal. 1021 – Serviced, 35mm gold-capped case, original 1040 bracelet – $1,375

Omega - 168.0057 · $1,375
A 1973 Omega Constellation ref. 168.0057, powered by the automatic chronometer Cal. 1021 with quick-set day-date, and comes on its original Omega brick bracelet ref. 1040.

  • Condition: Very good condition with normal wear from age
  • Movement caliber: Cal. 1021
  • Bracelet size: fits up to approx. 7.25" wrist
Posted at
May 6, 2026, 9:15 AM
Active
Tiltle: [WTS] 1963 Omega Constellation Pie Pan Ref. 168.005 | Caliber 561 | Dog-Leg Lugs | Tritium Dial | All Original | $2200 (SERVICED)

Tiltle: 1963 Omega Constellation Pie Pan Ref. 168.005 | Caliber 561 | Dog-Leg Lugs | Tritium Dial | All Original | $2200 (SERVICED)

Omega - 168.005 · $2,200
A 1963 Omega Constellation Pie Pan with a silver sunburst dial, applied gold faceted indices, and a Chronometer-rated Caliber 561 automatic movement.

  • Condition: Excellent vintage condition
  • Movement: Serviced Automatic Chronometer-rated Caliber 561
  • Dial: Original Silver Sunburst Pie Pan dial
  • Case: 34.5mm Gold-capped construction with 42.5mm lug-to-lug and ~11mm thickness
Posted at
May 5, 2026, 9:38 AM
Active
[WTS] 1959 Omega Constellation 14381 Cal. 551 — Crosshair Pie-Pan, Original Ω-Signed Crystal & 12-Notch Crown — $2,795 shipped CONUS

1959 Omega Constellation 14381 Cal. 551 — Crosshair Pie-Pan, Original Ω-Signed Crystal & 12-Notch Crown — $2,795 shipped CONUS

Omega - 14381-7 SC · $2,795
This is a rare 1959 Omega Constellation Chronometer, ref. 14381-7 SC, Cal. 551 automatic watch with an early crosshair pie-pan variant dial and original Ω-signed crystal and crown.

  • Condition: Light surface wear consistent with age
  • Year: 1959
  • Caliber: Omega 551 (base 550)
  • Jewels: 24
Posted at
May 4, 2026, 1:09 AM
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[WTS] Omega Constellation 168.001 "Jumbo" 37MM Gold Capped - $2,400

Omega Constellation 168.001 "Jumbo" 37MM Gold Capped - $2,400

Omega - 168.001 · $2,400
  • Condition: Excellent condition for a watch >60 years old
  • Movement Type: Calibre 561 Automatic Chronometer
  • Case Size: 37MM (~45MM Lug-to-Lug)
  • Lug Width: 19mm
Posted at
May 3, 2026, 12:49 PM
Active
[WTS] Rare Omega Constellation Pie Pan Ref. 167.005 | Rose Gold Cap | No Date | Cal. 551 Chronometer | Great Condition | All Original | $2800 (SERVICED)

Rare Omega Constellation Pie Pan Ref. 167.005 | Rose Gold Cap | No Date | Cal. 551 Chronometer | Great Condition | All Original | $2800 (SERVICED)

Omega - 167.005 · $2,800
A rare Omega Constellation Pie Pan Ref. 167.005 with a Rose Gold Cap finish and Cal. 551 chronometer-rated movement. This watch features a clean No Date configuration with a silver sunburst dial and multifaceted Rose Gold markers.

  • Condition: Serviced, great condition, all original
  • Movement: Omega Caliber 551 Automatic Chronometer (24 Jewels)
  • Case: 34.5mm Rose Gold Cap over stainless steel
  • Dial: Original silver sunburst Pie Pan (No Date) with Rose Gold indices and hands
Posted at
May 3, 2026, 9:45 AM
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[WTS] Omega Constellation Gold Filled Reference 14902 SERVICED

Omega Constellation Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,550
A 1966 Omega Constellation Pie Pan with a gold-filled case in good condition, featuring a vintage aesthetic with a 34mm case width.

  • Condition: Good condition with wear and aging on the dial
  • Case width: 34mm
  • Gold filling type: Gold filled
  • Year of manufacture: 1966
Posted at
May 1, 2026, 11:01 AM
Active