Omega Constellation Constellation Co-Axial 31 White Gold / Diamond / Black Supernova
Reference 123.55.31.20.51.001
About this watch
The Omega Constellation Co-Axial 31 is a masterpiece of luxury watchmaking, combining high-end craftsmanship with breathtaking aesthetics. This stunning timepiece features a white gold case radiating luxury, paired with a black supernova dial that adds an element of depth and intrigue. The gem-set bezel and indexes enhance its elegance, making it a true statement piece. At the heart of this model is the Omega Caliber 8520, renowned for its reliability and precision. With a frequency of 25,200 vibrations per hour, it ensures accuracy and longevity. This automatic movement features a Co-Axial escapement, reducing friction between components and extending the watch's lifespan. The power reserve of 50 hours allows you to take off your watch for extended periods without worrying about it stopping. Despite its luxurious appearance, this watch is surprisingly comfortable to wear, with a rounded case that hugs the wrist. Paired with a white gold bracelet, it complements the case perfectly. With a water resistance of up to 100 meters, this timepiece adapts to your lifestyle, not the other way around! Whether you're attending a gala or enjoying a day out, this watch is perfect for anyone who appreciates the finer things in life.
Key Features
- Omega Caliber 8520 automatic movement
- Co-Axial escapement for reduced friction and increased longevity
- 50-hour power reserve for extended wear
- White gold case with gem-set bezel and indexes
- Black supernova dial with unique texture and reflectivity
- Sapphire crystal glass for durability and scratch resistance
- Water resistance of up to 100 meters
Specifications
- Brand
- Omega
- Family
- Constellation
- Model
- Constellation Co-Axial 31 White Gold / Diamond / Black Supernova
- Reference
- 123.55.31.20.51.001
- Movement
- 8520
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- White Gold 31mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings
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Omega Constellation Co-Axial Chronometer, or, "We have PRX at home"
A 35mm Omega Constellation Co-Axial Chronometer with a reverse clous de paris dial, powered by the Caliber 2500 chronometer movement.
- Condition: Good, with minor hairline scratches on case and bracelet
- Diameter: 35mm
- Lug To Lug: 38.4mm
- Thickness: 10.8mm

Omega Constellation CALENDAR Ref 2943 Vintage, Automatic, Gold Filled on Bracelet, 34 mm. From 1959, Serviced, New Price Reduction
This Omega Constellation CALENDAR Ref 2943 is a vintage automatic watch made of stainless steel and gold capped, featuring an original cream dial. The movement is Caliber #504, 24 Jewels, In House, and was serviced on April 15, 2022.
- Condition: Very good condition with wear from use
- Case size diameter: 35 mm
- Case thickness: 13.1 mm
- Bracelet type: Omega Stainless Steel bracelet Gold Filled 20 Microns with Deployment Buckle
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Omega Constellation 168.017 “C-Case” Silver Dial
The Omega Constellation 'C-Case' reference 168.017 is a tonneau style watch with a silver sunburst dial, designed by Gerald Genta in the early 1970s.
- Condition: Excellent
- Case diameter: 35mm
- Lug width: 19mm
- Thickness: 11mm
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Omega Constellation. 18K Gold + Steel. Double Eagle. 🔥
A Omega Constellation Double Eagle, featuring a 38mm steel and 18K gold case that fits large wrists.
- Condition: Clean
- Material: 18K Gold + Steel
- Size: 38mm diameter
- Wrist size compatibility: Large