Omega Seamaster Seamaster Master Co-Axial 39.5 Edizione Venezia Sedna Gold / Silver / Alligator

Reference 511.53.40.20.02.001

About this watch

The Omega Seamaster Master Co-Axial 39.5 Edizione Venezia Sedna Gold is an emblem of elegance and precision, blending artistry, technology, and history. With its impeccable design and robust features, this watch invites admiration and curiosity. The Sedna Gold casing glimmers in the light, catching the eye effortlessly, while the sapphire crystal glass offers clarity and exceptional scratch resistance. At the core of the Omega Seamaster Master Co-Axial is the impressive Omega Caliber 8801 movement, showcasing Omega's commitment to precision and innovation. With a remarkable power reserve of 55 hours and a water resistance rating of 60 meters, this watch promises to be a reliable companion for both formal events and casual outings.
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Key Features

  • Sedna Gold casing
  • Sapphire crystal glass
  • Omega Caliber 8801 movement
  • Master Chronometer certification
  • Date function
  • Water resistance rating of 60 meters
  • 55-hour power reserve

Specifications

Brand
Omega
Family
Seamaster
Model
Seamaster Master Co-Axial 39.5 Edizione Venezia Sedna Gold / Silver / Alligator
Reference
511.53.40.20.02.001
Movement
8801
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Sedna Gold 39.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
60

Current Listings

[WTS] Omega Seamaster 2531.80 41mm Bond , Full Kit - $2,790

Omega Seamaster 2531.80 41mm Bond , Full Kit - $2,790

Omega - 2531.80 · $2,790
Up for sale is my very good condition Omega Seamaster 2531.80, featuring a 41mm case and Omega Caliber 1120 self-winding movement.

  • Condition: very good condition
  • Case size: 41mm
  • Bracelet length: up to 7-7.25 inch wrists depending on wrist shape
Posted at
May 19, 2026, 9:30 PM
Active
[WTS] Omega Seamaster 300 2531.80 w/extra straps and bracelets

Omega Seamaster 300 2531.80 w/extra straps and bracelets

Omega - 2531.80 · $2,900
A Omega Seamaster 300 ref. 2531.80, a well-maintained watch from 2007, recently serviced by an authorized Omega service center.

  • Condition: Great condition with slight marks throughout
  • Bracelets: OEM bracelet (full links) and Forstner Presidential bracelet
  • Straps: Zealande rubber strap and Artem Classic blue sailcloth with white stitching
Posted at
May 19, 2026, 9:26 PM
Active
[WTS] Omega Seamaster 2255.80 Electric Blue 41mm - $2,450

Omega Seamaster 2255.80 Electric Blue 41mm - $2,450

Omega - 2255.80 · $2,450
Up for sale is my great condition Omega Seamaster 2255.80, a self-winding watch with a steel case and original Omega steel bracelet.

  • Condition: Very good condition with minimal marks and hairlines
  • Case size: 41mm diameter
  • Movement: Omega Caliber 1120 self-winding movement
  • Bracelet type: Original Omega steel bracelet
Posted at
May 19, 2026, 9:20 PM
Active
[WTS] Omega Seamaster GMT 50th Anniversary 2534.50 41mm - $2,450

Omega Seamaster GMT 50th Anniversary 2534.50 41mm - $2,450

Omega - 2534.50 · $2,450
Up for sale is my great condition Omega Seamaster GMT 2534.50 41mm Automatic on the seamaster bracelet configuration.

  • Condition: Great condition with minimal hairlines/marks
  • Case size: 41mm diameter
  • Bracelet length: up to 7-7.25 inch wrists depending on wrist shape
  • Shipping time: 3-5 days globally
Posted at
May 19, 2026, 9:18 PM
Active
[WTS] 2022 Omega Seamaster Diver 300M Grey Dial – Blue Bezel. Box and Papers. $4,100

2022 Omega Seamaster Diver 300M Grey Dial – Blue Bezel. Box and Papers. $4,100

This Omega Seamaster Diver 300M features a grey ceramic wave dial paired with a blue bezel, giving it a cleaner and more versatile look.

  • Condition: Excellent pre-owned
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
May 19, 2026, 9:05 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega - 2201.50 · $2,990
The Omega Seamaster Planet Ocean 2201.50 is a 42mm automatic watch featuring an Omega Calibre 2500 movement.

  • Condition: Great condition for its age
  • Case size: 42mm diameter
  • Bracelet length: fits up to 7.25-7.5inch wrists depending on wrist shape
  • Movement: automatic Omega Calibre 2500
Posted at
May 19, 2026, 9:02 PM
Active
[WTS] Omega Seamaster Professional 300m Black Preowned 2021, $3900

Omega Seamaster Professional 300m Black Preowned 2021, $3900

This Omega Seamaster Professional 300m is in very clean condition, comes with box and warranty, and has been worn on both rubber strap and metal bracelet.

  • Condition: Preowned
  • Serial Number: 210.30.42.20.01.001
  • Water Resistance: 300m water resistance
  • Strap: Rubber strap
Posted at
May 19, 2026, 8:43 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M “Creamsicle” 43.5mm Ref. 215.30.44.21.04.001 Full Set

Omega Seamaster Planet Ocean 600M “Creamsicle” 43.5mm Ref. 215.30.44.21.04.001 Full Set

Up for sale is a beautiful Omega Seamaster Planet Ocean 600M “Creamsicle,” ref. 215.30.44.21.04.001, featuring the white dial paired with the orange ceramic bezel in the versatile 43.5mm case size.

  • Condition: good overall condition, minor signs of wear
  • Case size: 43.5mm diameter
  • Water resistance: 600m
  • Caliber: Omega Co-Axial Master Chronometer Cal. 8900
Posted at
May 19, 2026, 8:14 PM
Active
[WTS] Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (NEW • UNWORN 5/2026 COMPLETE SET)

Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (NEW • UNWORN 5/2026 COMPLETE SET)

This Omega Seamaster 300M Blue is a 42MM watch with various accessories included in the sale.

  • Condition: New, unworn
  • Dimensions: 42MM diameter
  • Case contents: outer sleeve, outer box, inner box, cards, instruction manual, UPC stickers, AD shipping coffin, travel case
Posted at
May 19, 2026, 7:07 PM
Active