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 Cal.1532 Ref.396.2532 Men Watch Papers And Box $550

OMEGA De Ville Prestige Cal.1532 Ref.396.2532 Men Watch Papers And Box $550

Omega - 396.2532 · $550
Omega De Ville Prestige Cal.1532 men's watch, featuring a stainless steel case and band.

  • Condition: Very Good with little wear and marks
  • Case Width: 33 mm (without crown)
  • Band Type: Stainless steel
  • Band Size: Full Length, up to 19cm
Posted at
Sep 10, 2025, 7:34 AM
Active
[WTS] Omega De Ville Square Gold-Tone | Ultra Slim Case | Manual-Winding | Great Vintage Condition | only $480 (SERVICED)

Omega De Ville Square Gold-Tone | Ultra Slim Case | Manual-Winding | Great Vintage Condition | only $480 (SERVICED)

This Omega De Ville dress watch is a charming vintage piece presented in a beautifully preserved square gold-tone case, perfect for collectors or those looking to add a refined vintage icon to their rotation.

  • Condition: Excellent vintage condition
  • Case dimensions: 25mm diameter (square), 6mm thickness
  • Lug-to-lug length: 30mm
  • Movement: Omega hand wind movement
Posted at
Sep 9, 2025, 10:23 AM
Active
[WTS] Omega De Ville Square Gold-Tone | Ultra Slim Case | Manual-Winding | Great Vintage Condition | only $480 (SERVICED)

Omega De Ville Square Gold-Tone | Ultra Slim Case | Manual-Winding | Great Vintage Condition | only $480 (SERVICED)

The Omega De Ville Square is an ultra slim manual-winding watch with a gold-tone case.

  • Condition: Great Vintage Condition
  • Case thickness: Slim
  • Movement type: Manual-Winding
Posted at
Sep 9, 2025, 10:22 AM
Active
[WTS] 39mm Omega De Ville Prestige Automatic Co-Axial Chronometer - Ref 424.10.40.20.02.003 - $1700 SHIPPED

39mm Omega De Ville Prestige Automatic Co-Axial Chronometer - Ref 424.10.40.20.02.003 - $1700 SHIPPED

This Omega De Ville Prestige Automatic Co-Axial Chronometer features a 39mm opaline-silvery dial with polished domed Roman numerals and indexes, powered by the Omega Co-Axial calibre 2500.

  • Condition: Very good overall condition with minimal wear on case and bracelet
  • Case size: 39mm
  • Bracelet size: up to 7.75" wrist
Posted at
Sep 5, 2025, 12:06 PM
Active
[WTS] Omega De Ville Prestige 196.1150 $775

Omega De Ville Prestige 196.1150 $775

Omega - 196.1150 · $775
Up for sale is my Omega De Ville Prestige, a 34mm or 36mm watch depending on the position of the crown.

  • Condition: Great with very little wear
  • Case Size: 34mm diameter
  • Dial Color: Silver
  • Lug To Lug: 38.5mm
Posted at
Sep 3, 2025, 2:09 PM
Active
[WTS] Omega De Ville Prestige 196.1150 $850

Omega De Ville Prestige 196.1150 $850

Omega - 196.1150 · $850
A silver dial Omega De Ville Prestige in a 34mm case, available for purchase.

  • Condition: Great with very little wear
  • Case Size: 34mm and 36mm (with crown)
  • Dial Color: Silver
  • Lug To Lug: 38.5mm
Posted at
Aug 30, 2025, 9:28 AM
Active
[WTS] 39mm Omega De Ville Prestige Automatic Co-Axial Chronometer - Ref 424.10.40.20.02.003 - $1800 SHIPPED

39mm Omega De Ville Prestige Automatic Co-Axial Chronometer - Ref 424.10.40.20.02.003 - $1800 SHIPPED

This Omega De Ville Prestige Automatic Co-Axial Chronometer features a 39mm opaline-silvery dial with polished domed Roman numerals and indexes, powered by the Omega Co-Axial calibre 2500.

  • Condition: Very good overall condition with minimal wear on case and bracelet
  • Case Size: 39mm
  • Bracelet Length: 7.75 inch
Posted at
Aug 28, 2025, 4:09 PM
Active
Omega 424.10.40.20.02.001 De Ville Prestige Co-Axial 39.5MM Silver Box & Papers

Omega 424.10.40.20.02.001 De Ville Prestige Co-Axial 39.5MM Silver Box & Papers

This Omega De Ville Prestige Co-Axial is a vintage watch featuring a silver dial, housed in a 39.5MM case.

  • Condition: Excellent
  • Case size: 39.5MM diameter
  • Movement: Co-Axial
Posted at
Mar 28, 2025, 11:33 PM
Active