Omega Constellation Constellation Co-Axial 27 Brushed Red Gold / Diamond / MOP Stars

Reference 123.55.27.20.05.004

Omega Constellation Co-Axial 27 Brushed Red Gold / Diamond / MOP Stars

About this watch

The Omega Constellation 123.55.27.20.05.004 is a masterpiece that embodies luxury, precision, and elegance. This stunning timepiece boasts an 18 Ct red gold case, gem-set bezel, and scratch-resistant sapphire glass, making it a true work of art. The Omega caliber 8521 movement, featuring Co-Axial escapement and silicon balance-spring, ensures unparalleled accuracy and durability. With its white mother of pearl (MOP) dial adorned with diamond accents, this watch is like wearing a piece of the night sky on your wrist. Its impressive water resistance of up to 1000 meters makes it perfect for diving enthusiasts, while its compact size of 27.00 mm ensures elegance without bulkiness. The Constellation Co-Axial 27 is not just a watch; it's a certified chronometer, trusted to keep impeccable time. Whether you're at a board meeting or a beach party, this watch has got you covered. Its date function and luxurious finishes make it a true masterpiece of horology.

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MSRP: $34,000

Market Price: $14,472

Key Features

18 Ct red gold case
Gem-set bezel with scratch-resistant sapphire glass
Omega caliber 8521 movement with Co-Axial escapement and silicon balance-spring
White mother of pearl (MOP) dial with diamond accents
Impressive water resistance of up to 1000 meters
Compact size of 27.00 mm
Certified chronometer with date function

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 27 Brushed Red Gold / Diamond / MOP Stars

Reference

123.55.27.20.05.004

Movement

8521

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Red Gold 27mm

Dial Color

White

Crystal

Sapphire

Water Resistance

1000

Current Listings

1973 Omega Constellation ref. 168.0056 w/ Cal. 1011 – gold-capped case, solid 14k bezel – $1,050 all-in

Omega - 168.0056 · $1,050

A 1973 Omega Constellation ref. 168.0056 features a gold-capped case, solid 14k bezel, clean original dial, and well-preserved gold medallion on the caseback.

Condition: Good overall condition with expected hairline scratches from age and normal wear, original parts preserved
Case diameter: 34.5mm
Lug width: 19mm
Movement caliber: Cal. 1011

Posted at

Apr 16, 2026, 9:08 AM

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(Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

· $65

Type: caseback
Compatibility: 1960s Seamasters and Constellations

Posted at

Apr 15, 2026, 7:48 PM

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Omega Constellation Pie Pan Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,850

For sale is a super cool vintage Omega Constellation Pie Pan reference number 14902 from 1966. The watch has been serviced recently and comes with service papers.

Condition: Good condition with wear and aging on the dial
Case Width: 34mm
Material: Gold filled

Posted at

Apr 15, 2026, 10:31 AM

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Omega Constellation Co-Axial 35mm 123.20.35.20.02 - $2,144 shipped express worldwide

Omega - 123.20.35.20.02 · $2,144

The Omega Constellation Co-Axial is a 35mm watch featuring a Co-Axial Calibre 2500 movement and 100m water resistance.

Condition: Used
Case Size: 35mm
Lug To Lug Length: 39mm
Lug To Lug Width: 23mm

Posted at

Apr 15, 2026, 9:47 AM

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Omega Constellation Manhattan ref. 396.1070 - 33mm Quartz, Blue Hands & Logo, Very Clean

Omega - 396.1070 · $850

This is a vintage Omega Constellation Manhattan watch with a silvery white dial, blue hands and dial printing, featuring a 33mm diameter case and a wide integrated bracelet.

Condition: Very good
Case Diameter: 33mm
Lug To Lug Length: 35.2mm
Bracelet Size: large enough for ~6.75" wrist

Posted at

Apr 15, 2026, 9:42 AM

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

Omega - Constellation Manhattan Day-Date · $1,795

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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Omega Constellation Year 2000 Millennium Limited Edition 1504.50

Omega - 1504.50 · $999

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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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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Automatic Omega Constellation Manhattan and Hand-Winding Pre-WWII Omega

Omega - 168.0075 · $1,600

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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