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

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PACKAGE DEAL! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

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Two Omega Constellation Manhattan Day-Dates for sale, one in full steel and one in two-tone. Both have 33mm cases with oversized bezels and integrated bracelets.

  • Condition: Pre-owned, unpolished with some age-related wear and patina
  • Case Diameter: 33MM
  • Bracelet Length: [object Object]
  • Movement Type: Swiss quartz with quickset date
Posted at
Apr 13, 2026, 10:05 PM
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[WTS] Omega Constellation Year 2000 Millennium Limited Edition 1504.50

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This unique Omega Constellation Year 2000 Millennium Edition was one of 2000 pieces created to commemorate the turn of the millennium.

  • Condition: Good condition with normal signs of wear throughout the case and some scratching on the AR coating
  • Limited Edition Run: 2000
Posted at
Apr 13, 2026, 9:11 PM
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[WTS] 1962 Omega Constellation Pie Pan Ref. 14602 62 SC | Good Vintage Condition | Sunray Silver Dial | All Original | $1900 (SERVICED)

1962 Omega Constellation Pie Pan Ref. 14602 62 SC | Good Vintage Condition | Sunray Silver Dial | All Original | $1900 (SERVICED)

This 1962 Omega Constellation Pie Pan Ref. 14602 62 SC is a masterclass in mid-century elegance, featuring a crisp silver sunray dial and the iconic 'Pie Pan' dial geometry.

Posted at
Apr 13, 2026, 9:37 AM
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[WTS] Automatic Omega Constellation Manhattan and Hand-Winding Pre-WWII Omega

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This listing is for two Omega watches: an automatic chronometer and a pre-WWII hand-winding watch, both in working condition but with unknown service history.

  • Condition: pre-owned working condition
  • Service history: unknown
  • Caliber: Cal 1111
Posted at
Apr 12, 2026, 8:06 PM
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Omega - 155.0021 · $600
A rare Omega Constellation Automatic watch from Switzerland, featuring a stainless steel case and gold band.

  • Condition: Preowned with some wear, scratches and marks
  • Case width: 31 mm (without crown)
  • Band material: Stainless steel & Gold
  • Band size: Will fit up to approx 18.5 cm
Posted at
Apr 12, 2026, 4:57 PM
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[WTS] Omega Constellation Co-Axial Master Chronometer – 39mm – Full Set

Omega Constellation Co-Axial Master Chronometer – 39mm – Full Set

Omega - 39mm
Posted at
Apr 12, 2026, 1:01 PM
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[WTS] Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

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A rare vintage Omega Constellation “Manhattan” chronometer ref. ST 368.1075, a classic example of Omega’s timeless dress-watch design, characterized by its distinctive 'claws' on the side of the case and an integrated bracelet.

  • Condition: Very nice vintage condition, showing light signs of honest wear consistent with age
  • Movement: Automatic self-winding chronometer-certified movement, Omega Caliber 1110.11.40 (based on ETA 2892-2), 42–44 hour power reserve, 21 jewels
  • Diameter: 35mm
  • Thickness: 7.5mm
Posted at
Apr 10, 2026, 4:18 PM
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[WTS] Omega Constellation 568.016 Ladies Automatic Chronometer 18K WG Bezel Cal 682 Full Set

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Omega - 568.016 · $1,349
This Omega Constellation Automatic Chronometer features a stainless steel case with an 18K solid white gold bezel, silver sunburst dial, and Observatory medallion caseback.

  • Condition: Near-mint
  • Case size: 25mm
  • Lug to lug length: 30mm
  • Movement frequency: 19,800 bph
Posted at
Apr 10, 2026, 1:43 AM
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[WTS] Omega Constellation 14902 SC-61 — Pie Pan Crosshair — Cal. 561 — $1,999 Shipped (Tariff covered)

Omega Constellation 14902 SC-61 — Pie Pan Crosshair — Cal. 561 — $1,999 Shipped (Tariff covered)

Omega - 14902 SC-61 · $1,999
  • Condition: Pre-owned, serviced
  • Case Size: 34.5mm (excluding crown)
  • Lug To Lug: ~42mm
  • Thickness: ~11mm
Posted at
Apr 9, 2026, 2:55 PM
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