Omega Constellation Constellation Co-Axial 31 Stainless Steel / Yellow Gold / MOP
Reference 123.20.31.20.05.002
About this watch
The Omega Constellation Co-Axial 31 is a masterpiece of luxury watchmaking, boasting an exquisite mother of pearl dial, high-quality materials, and chronometer certification for accuracy. This stunning timepiece combines classic elegance with modern technology, making it perfect for those who appreciate luxury and precision in their timepieces. With its comfortable size and fit, good water resistance, and rich history, the Constellation Co-Axial 31 is a standout choice in the crowded luxury watch market.
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Key Features
- Stunning mother of pearl dial
- Chronometer certification for accuracy
- High-quality materials (stainless steel and yellow gold)
- Comfortable size and fit
- Good water resistance
- Robust automatic movement (Omega caliber 8520)
- 12-hour fixed bezel
Specifications
- Brand
- Omega
- Family
- Constellation
- Model
- Constellation Co-Axial 31 Stainless Steel / Yellow Gold / MOP
- Reference
- 123.20.31.20.05.002
- Movement
- 8520
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 31mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings
![[WTS] Omega Constellation. Cushion Case. Champagne Dial. Automatic. 🔥](https://preview.redd.it/zg2vjra9w9bf1.jpeg?auto=webp&s=3739119c4203c79960077ad4d4add7c2dab5292e)
![[WTS] Omega Constellation. Solid Gold. Automatic. 🔥](https://preview.redd.it/yhrqpumdv4bf1.jpeg?auto=webp&s=7f007d4119aae6301bd388fcccdd31a077c8c074)
![[WTS] 1966 Omega Constellation ref. 168.004 w/ Cal. 561 – Original crosshair dome dial, June 2025 service – $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. 🔥](https://preview.redd.it/31d6li9dg2bf1.jpeg?auto=webp&s=3b0e9c9f74e523087d091559c20469ef2cd933af)
![[WTS] OMEGA Constellation MEGAQUARTZ 32 KHz Vintage Swiss](https://preview.redd.it/elimgytoywaf1.jpeg?auto=webp&s=cc8802de6048b0d5dffb51aab382293b96092dae)
![[WTS] Omega Constellation](https://preview.redd.it/74hpu466twaf1.jpeg?auto=webp&s=bbbd85fdd239ce5482244357ef14840351fc8ccb)
![[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