Omega Constellation Constellation Co-Axial 27 Brushed Yellow Gold / Diamond / MOP Supernova

Reference 123.55.27.20.55.002

Omega Constellation Co-Axial 27 Brushed Yellow Gold / Diamond / MOP Supernova

About this watch

The Omega Constellation Co-Axial 27 Brushed Yellow Gold / Diamond / MOP Supernova is a breathtaking timepiece that combines artistry and functionality. Its luxurious materials, precise movement, and stunning design make it a worthy investment for anyone looking to adorn their wrist with something truly special. With its unique mother-of-pearl dial, gem-set indexes, and dauphine hands, this watch is as functional as it is aesthetically pleasing. The brushed yellow gold case is lightweight and comfortable to wear, making it perfect for daily use. Whether you're treating yourself or gifting it to someone special, this watch is sure to impress and stand the test of time.
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Key Features

  • Omega Caliber 8521 automatic movement with chronometer rating
  • Mother-of-pearl dial with gem-set indexes and dauphine hands
  • Brushed yellow gold case with water resistance up to 100 meters
  • Sapphire crystal with scratch resistance and clarity
  • Limited availability in some regions

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Yellow Gold / Diamond / MOP Supernova
Reference
123.55.27.20.55.002
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] 1966 Omega Constellation ref. 168.005 w/ Cal. 561 Serviced – crosshair dome dial – $1450 all-in

1966 Omega Constellation ref. 168.005 w/ Cal. 561 Serviced – crosshair dome dial – $1450 all-in

Omega - 168.005 · $1,450
This is a 1966 Omega Constellation ref. 168.005, featuring an original silver crosshair domed dial and Cal. 561 automatic chronometer movement.

  • Condition: Pre-owned with minor signs of aging
  • Case Size: 34.5mm diameter
  • Crystal Type: Plexiglass
  • Crown Period Correct: No
Posted at
Apr 20, 2026, 9:28 AM
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[WTS] *Rare* Vintage 1960s 168.005 Rose Gold Date Omega Constellation with Vertical Brushed dial- Serviced

*Rare* Vintage 1960s 168.005 Rose Gold Date Omega Constellation with Vertical Brushed dial- Serviced

Omega - 168.005 · $1,200
This vintage Omega Constellation Date features a vertical brushed dial and the Omega 561 Caliber movement, which has been serviced.

  • Condition: good condition
  • Movement caliber: Omega 561
  • Dial finish: vertical brushed
  • Case dimensions: [object Object]
Posted at
Apr 19, 2026, 6:20 PM
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[WTS] Vintage 1960s 168.005 Date Yellow Gold Omega Constellation- Serviced $950

Vintage 1960s 168.005 Date Yellow Gold Omega Constellation- Serviced $950

Omega - 168.005 · $950
  • Condition: Good, some minor cosmetic damage
  • Movement caliber: Omega 565
  • Dial condition: Very good for its age
  • Case dimensions: [object Object]
Posted at
Apr 19, 2026, 6:15 PM
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[WTS] OMEGA Constellations Chronometer certified 167.021, serviced

OMEGA Constellations Chronometer certified 167.021, serviced

OMEGA - 167.021 · $1,300
This is a rare Omega Constellation Chronometer certified model, featuring an ultra-thin design and small size but good wrist presence.

  • Condition: Excellent, with normal signs of wear and used
  • Movement: Cal 712 Automatic 24 Jewels, 19800 beats per hour
  • Dial: Original silver dial and handset
  • Crystal: Acrylic Crystal free from scratches, signed in the center by Omega
Posted at
Apr 19, 2026, 10:26 AM
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[WTS] 1967 Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

1967 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
  • Case size: 34mm
  • Movement: Omega Calibre 564
  • Jewels: 24
Posted at
Apr 18, 2026, 11:13 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

Omega - ST 368.1075 · $999
A rare vintage Omega Constellation “Manhattan” chronometer, a classic example of Omega’s timeless dress-watch design, first introduced in the mid-1980s.

  • Condition: Very nice vintage condition, showing light signs of honest wear
  • Movement: Automatic self-winding chronometer-certified movement, typically the Omega Caliber 1110.11.40 (based on the ETA 2892-2)
  • Diameter: 35mm diameter stainless steel case
  • Bezel: Yellow gold bezel
Posted at
Apr 18, 2026, 9:13 PM
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[WTS] Omega Constellation Pie span Gold Cap 168.005 Great Condition All Original $2400

Omega Constellation Pie span Gold Cap 168.005 Great Condition All Original $2400

Omega - 168.005 · $2,400
A classic early-60s Omega Constellation with an iconic pie-pan dial and clean case, perfectly representing Omega's chronometer design language at its peak.

  • Condition: Great Condition
  • Case material: Gold Cap
  • Movement: Cal. 564 quickset Automatic
Posted at
Apr 18, 2026, 1:45 PM
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[WTS] Omega Constellation 168.0057 — 14K Gold Bezel, Day-Date, Cal.1021 Fresh Service — $1300 Shipped (Tariff Covered)

Omega Constellation 168.0057 — 14K Gold Bezel, Day-Date, Cal.1021 Fresh Service — $1300 Shipped (Tariff Covered)

Omega - 168.0057 · $1,300
The Omega Constellation ref. 168.0057 features a clean flat dial with applied indices and day-date complication. The case construction includes a solid 14K gold bezel with 14K gold capped case and stainless steel caseback.

  • Condition: Honest vintage with visible wear, but dial remains clean and sharp printing
  • Movement: Cal.1021 automatic movement
  • Case dimensions: 35mm x 40mm x 10mm, 19mm lug width
  • Strap: Brand new handmade Epsom leather strap (19/16)
Posted at
Apr 17, 2026, 1:40 PM
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[WTS] REDUCED 1959 Omega Constellation Pie Pan ref. 14381 patina dial with original bracelet!! Serviced! - $1799 shipped only!!

REDUCED 1959 Omega Constellation Pie Pan ref. 14381 patina dial with original bracelet!! Serviced! - $1799 shipped only!!

Omega - 14381 · $1,799
This is a vintage Omega Constellation Pie Pan automatic winding watch with a patina dial and original bracelet. The watch is in overall good condition, keeps good time, and has been serviced.

  • Condition: 9/10, good time keeping
  • Movement: Cal. 551
  • Case material: stainless steel
  • Bracelet type: original Omega
Posted at
Apr 17, 2026, 8:18 AM
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