Omega Constellation Constellation Co-Axial 27 Brushed Red Gold / Diamond / MOP Stars
Reference 123.55.27.20.05.003
About this watch
The Omega Constellation Co-Axial 27 is a masterpiece that marries elegance and cutting-edge technology. This stunning watch features a brushed red gold case, mesmerizing mother-of-pearl dial, and diamond-adorned bezel, making it a statement piece for those who appreciate the finer things in life. With its impeccable Omega caliber 8521 movement boasting Co-Axial escapement and chronometer certification, this watch is not only accurate but also designed to last longer than conventional movements. The self-winding movement features automatic winding in both directions and a power reserve of 50 hours, ensuring the watch keeps running even when taken off for an extended period. With its elegant design and robust features, this watch is perfect for both casual and formal settings. Its water resistance of up to 1000 meters makes it suitable for swimming, snorkeling, or everyday wear. The MOP dial provides a unique aesthetic that changes appearance based on lighting, making each glance at the watch a new experience.
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Key Features
- Brushed Red Gold Case
- Mother-of-Pearl Dial with Diamond Adorned Bezel
- Omega Caliber 8521 Movement with Co-Axial Escapement
- Chronometer Certification
- Water Resistance up to 1000 meters
- 50 Hour Power Reserve
Specifications
- Brand
- Omega
- Family
- Constellation
- Model
- Constellation Co-Axial 27 Brushed Red Gold / Diamond / MOP Stars
- Reference
- 123.55.27.20.05.003
- 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
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This Omega Constellation is an uncommon 'jumbo' 37mm no-date model with a gold-capped case and Cal. 551 movement. It has been freshly serviced in Jan 2026.
- Condition: Very strong overall condition with a clean, original-looking dial and freshly serviced Cal. 551 movement
- Case diameter: 37mm
- Lug width: 19mm
- Movement caliber: Cal. 551
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This Omega Constellation 'Jumbo' is a rare 37MM model released only to specific Asian markets, featuring a Calibre 561 Automatic Chronometer movement and a 14k Constellation emblem on its stainless case back. The watch appears original with all the appropriate appliques and indices, and has been well-maintained throughout its years. It's now available for sale at $2,550.
- Condition: Excellent condition for its age
- Case size: 37MM diameter
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- Functions: Hours, minutes, central sweep-second hand, date (semi-quickset)
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- Case dimensions: 39mm x 46.7mm lug to lug x 12.6mm thick
- Bracelet type: 3-row with slightly curved central links