Omega De Ville De Ville Byzantium Co-Axial 33.4 Co-Axial Stainless Steel / Black

Reference 7801.50.31

Omega De Ville Byzantium Co-Axial 33.4 Co-Axial Stainless Steel / Black

About this watch

The Omega De Ville 7801.50.31 Byzantium Co-Axial watch is a masterpiece of engineering, featuring the remarkable Omega Caliber 2500 automatic movement with co-axial escapement. This innovative system reduces friction between components, enhancing timekeeping precision and longevity. The sleek square shape and bold black dial make a statement, while the stainless steel case provides durability and a luxurious shine. With a water resistance of 50 meters and a comfortable fit, this watch is perfect for both formal events and casual outings. It's an investment that will elevate your style and retain its value over time.
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MSRP: $3,650
Market Price: $1,795

Key Features

  • Omega Caliber 2500 automatic movement with co-axial escapement
  • Sleek square shape and bold black dial
  • Durable stainless steel case with luxurious shine
  • Water resistance of 50 meters
  • Comfortable fit and lightweight design
  • Scratch-resistant sapphire crystal
  • Certified chronometer for precision timekeeping

Specifications

Brand
Omega
Family
De Ville
Model
De Ville Byzantium Co-Axial 33.4 Co-Axial Stainless Steel / Black
Reference
7801.50.31
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
Stainless Steel 33.4mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Omega De Ville Jump Hour (salmon dial) (ref 4553.61)

Omega De Ville Jump Hour (salmon dial) (ref 4553.61)

Omega - 4553.61 · $6,400
Up for sale is my Omega Jump Hour, a unique and rare timepiece produced only in 1998 with a salmon dial.

  • Condition: Gorgeous watch, works great
  • Year: 1998
  • Production run: limited to 1 year
Posted at
Feb 4, 2026, 1:15 PM
Active
View listing on r/WatchExchange
[WTS] Omega De Ville Ladies Watch. 18k solid gold with diamonds.

Omega De Ville Ladies Watch. 18k solid gold with diamonds.

  • Model type: ladies
  • Case material: 18k solid gold
Posted at
Feb 4, 2026, 12:20 PM
Active
View listing on r/WatchExchange
[WTS] 1960s Omega Seamaster De Ville patina dial original bracelet! - $960 shipped!!

1960s Omega Seamaster De Ville patina dial original bracelet! - $960 shipped!!

Omega - 165.020 · $960
This vintage Omega Seamaster De Ville features an automatic winding movement, patina dial, and original stainless steel bracelet.

  • Condition: 9/10
  • Circa: 1964
  • Case size: 34.5mm
  • Movement: Cal. 552 automatic winding
Posted at
Feb 3, 2026, 6:24 AM
Active
View listing on r/WatchExchange
[WTS] Omega De Ville Prestige 196.1150 Black Roman Dial Stainless-steel Men's Watch $650

Omega De Ville Prestige 196.1150 Black Roman Dial Stainless-steel Men's Watch $650

Omega - 196.1150 · $650
The Omega De Ville Prestige 196.1150 features a black Roman dial on a stainless-steel case, measuring 34.5mm in width without the crown.

  • Condition: Preowned, with little wear, scratches and marks
  • Case Width: 34.5 mm (without crown)
  • Case Material: stainless steel
  • Band Type: stainless steel
Posted at
Feb 2, 2026, 5:27 PM
Active
View listing on r/WatchExchange
[WTS][CONUS] 60s Vintage Omega Seamaster De Ville 166.020 | Salmon Patina Dial | Cal. 562 quickset | Circa 1960s | $830 (SERVICED)

[CONUS] 60s Vintage Omega Seamaster De Ville 166.020 | Salmon Patina Dial | Cal. 562 quickset | Circa 1960s | $830 (SERVICED)

Omega - 166.020 · $830
A 1960s Omega Seamaster De Ville with a salmon / honey dial, featuring minimalist applied indices that catch the light in all the right ways. This reference comes from the transitional period when Omega was blending sporty reliability with dress-watch refinement under the Seamaster De Ville line — and it shows.

  • Condition: Good vintage condition
  • Dial: Salmon / Honey
  • Movement: Cal. 562 (serviced)
  • Caliber: 562
Posted at
Feb 1, 2026, 6:45 PM
Active
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[WTS] Omega De Ville Prestige Co-Axial Chronometer 39.5mm – Ref. 435.13.40.21.03.001

Omega De Ville Prestige Co-Axial Chronometer 39.5mm – Ref. 435.13.40.21.03.001

Omega - 435.13.40.21.03.001 · $3,995
This Omega De Ville Prestige Co-Axial Chronometer is a 39.5mm automatic watch with a METAS-certified movement, featuring a blue sunburst dial and domed sapphire crystal. It comes with its original leather strap and box.

  • Condition: Excellent overall condition
  • Case Size: 39.5mm
  • Movement: Automatic Omega Co-Axial Chronometer (METAS-certified)
  • Dial: Blue sunburst dial with applied Roman numerals
Posted at
Jan 30, 2026, 1:42 PM
Active
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[WTS] Omega De Ville 4720.11.0 - $750

Omega De Ville 4720.11.0 - $750

Omega - 4720.11.0 · $750
For sale is my Omega De Ville, a 34mm watch with a gold dial in good condition.

  • Condition: good
  • Case size: 34mm
Posted at
Jan 29, 2026, 9:19 PM
Active
View listing on r/WatchExchange
[WTS] Omega De Ville 4720.11.0 - $1200

Omega De Ville 4720.11.0 - $1200

Omega - 4720.11.0 · $1,200
For sale is my Omega De Ville 34mm with Gold Dial.

  • Condition: good
Posted at
Jan 29, 2026, 3:15 AM
Active
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[WTS] Omega De Ville Chronograph 4540.31 - Caliber 1861 (Moonwatch Movement) - $1999 SHIPPED

Omega De Ville Chronograph 4540.31 - Caliber 1861 (Moonwatch Movement) - $1999 SHIPPED

Omega - 4540.31 · $1,999
This Omega De Ville Chronograph features a 36mm case size, sunburst silver dial, and Caliber 1861 movement.

  • Condition: Very good condition
  • Case size: 36mm
  • Lug width: 19mm
  • Movement: Caliber 1861
Posted at
Jan 28, 2026, 4:44 PM
Active
View listing on r/WatchExchange