Omega Constellation Constellation Co-Axial 31 Yellow Gold / Champagne
Reference 123.50.31.20.08.001
About this watch
The Omega Constellation Co-Axial 31 Yellow Gold / Champagne is a luxurious timepiece that combines elegance, precision, and history. Its stunning aesthetics and high-performance mechanics make it a statement piece. The watch features a yellow gold casing, champagne-colored dial, and Dauphine hands, protected by scratch-resistant sapphire glass. At its core lies the Omega caliber 8521, a marvel of modern engineering with a Co-Axial escapement design that enhances precision and stability. This self-winding movement is equipped with a free-sprung balance system and silicon balance-spring, ensuring durability and reliability. With a power reserve of 50 hours and chronometer certification, this watch meets stringent precision standards, keeping time accurately. Its water resistance rating of 100 meters makes it suitable for daily wear, from casual outings to formal events. This Omega model stands out in the luxury segment with its unique Co-Axial escapement and timeless design.
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Key Features
- Yellow gold casing
- Champagne-colored dial
- Dauphine hands
- Scratch-resistant sapphire glass
- Omega caliber 8521 movement
- Co-Axial escapement design
- Free-sprung balance system
- Silicon balance-spring
Specifications
- Brand
- Omega
- Family
- Constellation
- Model
- Constellation Co-Axial 31 Yellow Gold / Champagne
- Reference
- 123.50.31.20.08.001
- Movement
- 8521
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Yellow Gold 31mm
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings
![[WTS] omega constellation 168.005 | original crystal & crown | unpolished](https://preview.redd.it/djr5u6dfcytg1.jpg?width=640&crop=smart&auto=webp&s=86193038a85ee93ff98e1d1ae207e32cd34f2fd9)
omega constellation 168.005 | original crystal & crown | unpolished
The Omega Constellation is a luxury watch being sold unpolished, retaining its original crystal and crown. It comes with a metal lined presentation box.
- Condition: unpolished
- Original crystal & crown: true
- Shipped: true
![[WTS] Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – Serviced (11/2025) – $1945 + shipping OBO](https://preview.redd.it/9r5c6m3hkttg1.jpg?width=640&crop=smart&auto=webp&s=e7d8be9e1b924b6ed464d0db3b4482a9c93a4d17)
Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – Serviced (11/2025) – $1945 + shipping OBO
a 1964 Omega Constellation Pie Pan ref. 168.005 featuring dog-leg lugs and cal. 561 movement, serviced in November 2025.
- Condition: Excellent for its age
- Calibre: Cal. 561 movement
- Year: 1964
- Movement type: Chronometer-grade
![[WTS] (Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback](https://preview.redd.it/cggh0y484ttg1.jpg?width=640&crop=smart&auto=webp&s=c66c0fd82762d0dd65e26d1e01e073944c5599a0)
(Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback
·
$65
This listing is about a display caseback designed to fit many Omega Seamaster and Constellation watches from the 1960s, made by Spiralwinder.
- Caseback type: Spiralwinder
- Compatible models: 1960s Seamasters and Constellations
![[WTS] Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600](https://preview.redd.it/tt68xr94rotg1.jpg?width=640&crop=smart&auto=webp&s=31a076d979b327d0e3fbfeb46f9683ed2545b6a7)
Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600
The Omega Constellation Pie Pan Ref. 168.005 is a quintessential 1960s dress watch that embodies Omega’s pursuit of precision and elegance during the golden age of Swiss watchmaking.
- Condition: Great serviced condition
- Movement: Omega Calibre 564
- Jewels: 24
![[WTS] Package Deal! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!](https://preview.redd.it/k2bpdrntbotg1.jpg?width=640&crop=smart&auto=webp&s=68167a62ae196c7605eca96dce9f86fbd193b3c6)
Package Deal! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!
Two Omega Constellation Manhattan Day-Dates for sale, one in full steel and the other in two-tone. Both have crisp white dials, luminescent hands, and gold dot markers.
- Condition: Pre-owned, unpolished with age-related wear
- Diameter: 33MM
- Bracelet Length Stainless: up to approximately 7.5 inches
- Bracelet Length Two Tone: just over 7 inches
![[WTS] Rare Omega Constellation 2000 Millennium 1504.50](https://preview.redd.it/lvr5v4ltugtg1.jpg?width=640&crop=smart&auto=webp&s=4ded1995b484c1b0142f002a30f47deed7c31720)
Rare Omega Constellation 2000 Millennium 1504.50
This Omega Constellation 2000 Millennium edition is a unique timepiece commemorating the turn of the millennium, with only 2000 pieces produced. It features 'OMEGA 2000' text and lumed roman numeral markers instead of stick indexes.
- Condition: Good condition, with normal signs of wear and scratching on the crystal
- Production run: Limited to 2000 pieces
- Service history: Unknown
![[WTS] Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED](https://preview.redd.it/l5ik2gbefftg1.jpg?width=640&crop=smart&auto=webp&s=171a53846d11c7182134a0c385cd9ded3c7a1db5)
Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED
This Omega Constellation Pie Pan watch is stunning and a pinnacle in Omega's dress watch heritage. It features an original, untouched dial with patina'd perfectly and comes on a red leather strap.
- Condition: Pre-owned, serviced a few years back
- Lug width: 18mm
- Strap material: red leather
![[WTS] Omega Constellation Automatic Chronometer Watch $1800 SHIPPED](https://preview.redd.it/pjewz59sg7tg1.jpg?width=640&crop=smart&auto=webp&s=cd0159e50e1c0d45b25650f58ca4a15bb87b337a)
Omega Constellation Automatic Chronometer Watch $1800 SHIPPED
This Omega Constellation watch features a Cal 1111 movement, 35.5 mm diameter case, and comes with original Omega strap.
- Condition: pre-owned working condition
- Movement: Cal 1111
- Diameter: 35.5mm
![[WTS] Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450](https://preview.redd.it/gsz58e6mzhsg1.jpg?width=640&crop=smart&auto=webp&s=17eafe16386a3a9480fbaacd1a8d5c034bd48423)
Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450
The Omega Constellation Pie Pan 168.005 is one of the most iconic dress watches of the 1960s, featuring a stainless steel 34mm case with dog-leg lugs and a silver sunburst dial.
- Condition: Great Condition (Serviced)
- Case size: 34mm
- Movement type: Automatic