Omega Constellation Constellation Co-Axial 31 Yellow Gold / MOP
Reference 123.50.31.20.05.002
About this watch
The Omega Constellation Co-Axial 31 Yellow Gold / MOP is a stunning watch that embodies luxury, with its 31mm round case and exquisite mother-of-pearl dial. The self-winding movement features a Co-Axial escapement, known for enhancing precision, stability, and durability. The watch has a generous power reserve of 50 hours and is water-resistant up to 100 meters, making it suitable for swimming and shallow diving. The sapphire crystal glass is scratch-resistant, ensuring the watch maintains its pristine appearance even with daily wear. The open case back showcases the intricate workings of the movement, adding a luxurious finish. Comfortable to wear due to its well-designed bracelet, this watch adapts effortlessly to any setting, from formal events to casual days out.
Key Features
- 31mm round yellow gold case
- Exquisite mother-of-pearl dial with stick and dot indexes
- Dauphine hands for a touch of sophistication
- Sapphire crystal glass for scratch-resistance
- Water-resistant up to 100 meters
- 50-hour power reserve self-winding movement
- Co-Axial escapement for enhanced precision and durability
Specifications
- Brand
- Omega
- Family
- Constellation
- Model
- Constellation Co-Axial 31 Yellow Gold / MOP
- Reference
- 123.50.31.20.05.002
- Movement
- 8521
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Yellow Gold 31mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings
![[WTS] 1966 Omega Constellation ref. 168.004 w/ Cal. 561 โ Original crosshair dome dial, June 2025 service โ $915 shipped](https://preview.redd.it/y9w0xlius4bf1.jpg?width=640&crop=smart&auto=webp&s=bfb84ba1f3bc32875c3e58aa804422bcf6e06ac6)
![[WTS] Omega Constellation. Linen Dial. Bead of rice bracelet. Automatic. ๐ฅ](https://preview.redd.it/31d6li9dg2bf1.jpeg?auto=webp&s=3b0e9c9f74e523087d091559c20469ef2cd933af)
![[WTS] 1968 Omega Constellation Ref. 157.0001 โ Ultra-Thin Cal. 712 Chronometer โ Blue Textured Dial โ Omega Mesh Bracelet โ $1190 Shipped](https://preview.redd.it/5y1svknh3zaf1.jpg?width=640&crop=smart&auto=webp&s=7fb8b9591825e6f158ea428d65f1e5d6947ba5ef)
![[WTS] Omega Constellation Pie Pan 167.005 Full Set](https://preview.redd.it/asxxquhptnaf1.jpg?width=640&crop=smart&auto=webp&s=ef9547a04771f483e029ef046fd3d1ab04f8cb8a)
Omega Constellation Pie Pan 167.005 Full Set
This Omega Constellation Pie Pan is a beautiful timepiece that has been well-maintained, with its last service being in February 2024.
- Condition: Stunning condition, full set
- Last Service: 02/2024
![[WTS] Omega Constellation 41mm Black Ceramic Bezel Silk Dial 131.33.41.21.06.001 Full Set](https://preview.redd.it/blg2er4rijaf1.jpg?width=640&crop=smart&auto=webp&s=3b3bc43abce09ca6622a5fe4bf46983f314ada1c)
Omega Constellation 41mm Black Ceramic Bezel Silk Dial 131.33.41.21.06.001 Full Set
This Omega Constellation features a 41mm stainless steel case with a silk rhodium dial and black ceramic bezel.
- Condition: Has some light scratches
- Material: black ceramic bezel, stainless steel case
- Diameter: 41mm
![[WTS] Omega Constellation Chronometer Automatic 1966](https://preview.redd.it/2ttwz2oe5jaf1.jpeg?auto=webp&s=8919aa1a22b7fcfcc211ad9f7f226d2ef24f1432)
Omega Constellation Chronometer Automatic 1966
A 1966 Omega Constellation Chronometer Automatic with a 35mm case, featuring an onyx baton indices dial and a Swiss-made automatic movement.
- Condition: Pre-owned, unpolished with signs of careful use
- Case size: 35mm
- Diameter: 35mm