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

Reference 7801.50.31

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 Prestige Automatic Co Axial Chronometer Ref 424.10.37.20.02.001 - $999 SHIPPED

Omega De Ville Prestige Automatic Co Axial Chronometer Ref 424.10.37.20.02.001 - $999 SHIPPED

The Omega De Ville Prestige Automatic Chronometer features a beautiful white dial with Omega 2500 Co Axial automatic movement in a 37mm case size.

  • Condition: Very good condition
  • Case size: 37mm
  • Lugs: 19mm
  • Water resistance: not specified
Posted at
Dec 19, 2025, 5:48 PM
Active
[WTS] Omega De Ville Ladies Quartz (592.0280) $220

Omega De Ville Ladies Quartz (592.0280) $220

Omega - 592.0280 · $220
A ladies Omega De Ville Quartz watch for sale.

  • Movement type: quartz
Posted at
Dec 15, 2025, 2:22 PM
Active
[WTS] Omega De Ville Ladies Rare Spider Web Dial - Manual Winding $350

Omega De Ville Ladies Rare Spider Web Dial - Manual Winding $350

Omega - 511.0561 · $350
This is a rare model from late 70s and early 80s with a unique spider web dial in a gold-plated case, manual winding movement, and features such as sapphire crystal glass and leather strap.

  • Condition: Excellent
  • Case Diameter: 24mm (without crown)
  • Case Thickness: 6 mm
  • Bezel Material: Gold plated
Posted at
Dec 15, 2025, 2:01 PM
Active
[WTS] Omega De Ville Ladies Manual Winding Vintage (70s) $280

Omega De Ville Ladies Manual Winding Vintage (70s) $280

Omega · $280
A vintage 1970s Omega De Ville ladies manual winding watch in gold plated case, featuring a sapphire crystal glass and leather strap.

  • Condition: Pre-owned with minor scratches
  • Case Diameter: 21mm (w/o crown) x 24.5mm
  • Case Thickness: 7mm
  • Bezel Material: Gold plated
Posted at
Dec 15, 2025, 1:30 PM
Active
[WTS] Omega De Ville Prestige Co-Axial Chronometer $2199 Shipped (SERVICED)

Omega De Ville Prestige Co-Axial Chronometer $2199 Shipped (SERVICED)

Omega - 4813.40.01 · $2,199
An Omega De Ville Prestige watch features a Co-Axial Chronometer movement and a stunning two-tone Grey sunburst dial with roman indexes and a small seconds dial at the 6 o'clock position. The build quality is very high end overall.

  • Condition: Great, serviced
  • Case size: 39mm (diameter)
  • Lug width: 20mm
  • Thickness: 10mm
Posted at
Dec 12, 2025, 7:45 PM
Active
[WTS] OMEGA De Ville 195.0032 Cal.1417 Gold Octagon Mens Watch $325

OMEGA De Ville 195.0032 Cal.1417 Gold Octagon Mens Watch $325

Omega - 195.0032 · $325
This Omega De Ville 195.0032 is a stainless steel watch featuring a Quartz Cal.1417 movement and comes in new condition with little wear and marks.

  • Condition: Preowned with some wear and marks
  • Case width: 29 mm (without crown)
  • Band type: Aftermarket Leather Band
  • Total length of band: Approx 23 cm
Posted at
Dec 11, 2025, 3:44 PM
Active
[WTS] Vintage Tank Omega De Ville Reduced

Vintage Tank Omega De Ville Reduced

Omega - 111.784 · $900
a classic tank-style dress watch with a slim profile, known for its style and design

  • Case Size: 31 × 25 mm (without crown)
  • Strap: aftermarket leather strap
  • Buckle: original Omega buckle
Posted at
Dec 9, 2025, 7:01 PM
Active
[WTS] Excellent Omega De Ville Prestige Watch Ref 5951471 In Original Box $390 SALE

Excellent Omega De Ville Prestige Watch Ref 5951471 In Original Box $390 SALE

Omega - 5951471 · $390
The Omega De Ville Prestige Watch Ref 5951471 is a ladies' watch featuring a stainless steel case, quartz movement, and original calf leather band.

  • Condition: Excellent condition, with little wear and marks
  • Case width: 23mm (without crown)
  • Band size: Total Length Approx 19cm
  • Movement: Quartz 1471
Posted at
Dec 7, 2025, 3:23 PM
Active