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

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This Aqua Terra 'Spectre' configuration features a strong 41.5mm case with a blue teak dial, powered by the reliable in-house Calibre 8500. It's suitable for daily wear and offers excellent magnetic resistance.

  • Condition: Excellent condition
  • Dial color: blue
  • Case size: 41.5mm
  • Water resistance: 150m
Posted at
Feb 6, 2026, 10:19 PM
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Omega - c6336 · $800
1975 Omega Seamaster Deville with an all-gold filled case and a beads or rice bracelet.

  • Condition: pre-owned with recent service
  • Bracelet type: beads or rice
  • Case diameter: 35mm
  • Lug width: 18mm
Posted at
Feb 6, 2026, 10:18 PM
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[WTS] Omega Seamaster Planet Ocean 600M 45.5mm $2,250

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  • Condition: Excellent condition, freshly polished
  • Case Size: 45.5mm diameter
  • Wrist Size Fit: approximately 19cm
  • Shipping Origin: Singapore
Posted at
Feb 6, 2026, 9:44 PM
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[WTS] Jumbo Vintage Omega Seamaster Vertical Sparkle Dial w/ Original Omega Strap & Buckle JUST $1295 SHIPPED!

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Omega - 168.034 · $1,295
This is a vintage Omega Seamaster with a vertical sparkle dial and original Omega strap and buckle. The watch features an automatic movement and has been regulated by a watchmaker.

  • Condition: Mint, unpolished example with lightly worn crystal
  • Year: 1972
  • Case Size: 39mm x 42mm
  • Diameter: 42mm lug to lug
Posted at
Feb 6, 2026, 8:29 PM
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[WTS] Omega Seamaster 2261.50

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Omega - 2261.50.00 · $1,999
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  • Condition: Fair condition of the Omega box, manuals, and other accessories
  • Movement: Omega caliber 1538, quartz movement
  • Power reserve: 2 years
  • Water resistance: 300m
Posted at
Feb 6, 2026, 6:47 PM
Active
[wts] 2021 OMEGA SEAMASTER AQUA TERRA 150M
220.10.43.22.03.001

2021 OMEGA SEAMASTER AQUA TERRA 150M 220.10.43.22.03.001

This 2021 Omega Seamaster Aqua Terra features a 43mm stainless steel case, blue dial, and Calibre 8938 movement with a 60-hour power reserve. It has a water resistance of 150 meters.

  • Condition: Pre-owned, cosmetic condition: 9/10, fully functional
  • Case size: 43mm
  • Movement: Calibre 8938
  • Power reserve: 60 hours
Posted at
Feb 6, 2026, 6:35 PM
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  • Condition: Pre-owned with minor scratches
  • Patina status: phenomenal
  • Accuracy: -2.1 sec/day at Amp 247
  • Bezel condition: clean
Posted at
Feb 6, 2026, 6:31 PM
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[WTS] 2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue 210.30.42.20.03.003 Full Set

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2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue, a stainless steel automatic diver's watch with a rotating dive bezel and summer blue gradient ceramic dial.

  • Condition: Nice pre-owned condition with some scratches on the case bezel and bracelet
  • Case Material: stainless steel
  • Case Dimensions: 42mm diameter
  • Bezel: stainless steel with blue ceramic insert
Posted at
Feb 6, 2026, 5:22 PM
Active
[WTS] Omega Seamaster Professional 41mm 20mm Lug Bracelet 1503/825 (de-pinned, needs new pins)

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Omega - 1503/825 · $400
This Omega Seamaster Professional is a 41mm model with a de-pinned 20mm lug bracelet, sold as is.

  • Condition: Used, sold as-is
  • Bracelet condition: Links are in good condition
Posted at
Feb 6, 2026, 5:06 PM
Active