Omega Seamaster Seamaster Master Co-Axial 39.5 Olympic Games Gold Sedna Gold / Enamel / Alligator

Reference 522.53.40.20.04.003

About this watch

The Omega Seamaster Master Co-Axial 39.5 Olympic Games Gold Sedna Gold / Enamel / Alligator is a masterclass in watchmaking, boasting the Omega Caliber 8807 self-winding movement with a power reserve of 55 hours and certified as a Master Chronometer by METAS. This timepiece shines with 18K Sedna gold and features a stunning white enamel dial that contrasts beautifully with the gold accents. The alligator leather strap adds a level of elegance and comfort, making it perfect for formal or casual settings. With its master chronometer certification, comfortable fit, and water resistance up to 60 meters, this watch is built to withstand anything life throws at it. Whether you're a seasoned collector or a first-time buyer, the Omega Seamaster Master Co-Axial is an investment that will leave you in awe of its luxury, innovation, and history.
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Key Features

  • Omega Caliber 8807 self-winding movement
  • Master Chronometer certification by METAS
  • 18K Sedna gold case
  • White enamel dial with gold accents
  • Alligator leather strap
  • Water resistance up to 60 meters
  • Diameter: 39.50 mm

Specifications

Brand
Omega
Family
Seamaster
Model
Seamaster Master Co-Axial 39.5 Olympic Games Gold Sedna Gold / Enamel / Alligator
Reference
522.53.40.20.04.003
Movement
8807
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Sedna Gold 39.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
60

Current Listings

[wts] Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 under warranty

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 under warranty

This Omega Seamaster Planet Ocean is a 43.5mm watch with blue dial, under warranty through September 2028.

  • Case size: 43.5mm diameter
  • Water resistance: 300m depth rating
Posted at
Apr 18, 2026, 5:30 PM
Active
[wts] Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 underwarranty

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 underwarranty

This Omega Seamaster Planet Ocean 8900 Blue is a 43.5mm watch with factory warranty valid through November 2028.

  • Condition: Like new (with boxes in great condition)
  • Case Size: 43.5mm
Posted at
Apr 18, 2026, 5:28 PM
Active
[WTS] 2020 Omega Seamaster Diver 41mm 212.30.41.20.01.003 Black Full Set - $3,695

2020 Omega Seamaster Diver 41mm 212.30.41.20.01.003 Black Full Set - $3,695

Up for sale is a 2020 Omega Seamaster Diver Black, a 41mm watch that has been thoroughly tested and is running well.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 41mm diameter
  • Year: 2020
Posted at
Apr 18, 2026, 5:27 PM
Active
[wts] RARE Omega Seamaster Planet Ocean 2500D 45.5mm 2200.50.00

RARE Omega Seamaster Planet Ocean 2500D 45.5mm 2200.50.00

Omega - 2200.50.00 · $3,900
A rare Omega Seamaster Planet Ocean 2500D, featuring a large 45.5mm case size and excellent condition. The watch comes with its original boxes and warranty.

  • Condition: Excellent
  • Size: 45.5mm diameter
  • Case condition: Excellent
Posted at
Apr 18, 2026, 5:24 PM
Active
[WTS] 2020 Omega Seamaster Planet Ocean 600M 42mm Black 232.30.42.21.01.001 Full Set - $4,395

2020 Omega Seamaster Planet Ocean 600M 42mm Black 232.30.42.21.01.001 Full Set - $4,395

Up for sale is a Omega Seamaster Planet Ocean 600m 42mm Black watch, featuring a 2020 model year.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
  • Contents: watch, inner & outer box, card holder, international warranty card, pictograms card, instructions manual
Posted at
Apr 18, 2026, 5:23 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.32.46.21.01.005

Omega Seamaster Planet Ocean 8500 45.5mm 232.32.46.21.01.005

This is a Omega Seamaster Planet Ocean 8500, a high-end dive watch with a 45.5mm case size and various features.

  • Condition: great
  • Case Diameter: 45.5mm
Posted at
Apr 18, 2026, 5:22 PM
Active
[WTS] 2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

Up for sale is a **Omega Seamaster Aqua Terra Skyfall Blue** in excellent condition, thoroughly tested on a timegrapher and running well.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 41.5mm diameter
  • Year: 2023
Posted at
Apr 18, 2026, 5:15 PM
Active
[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

A 2025 Omega Seamaster Planet Ocean 600m Titanium Blue, featuring a reference number of 232.92.44.22.03.001.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Depth rating: 600m
Posted at
Apr 18, 2026, 5:04 PM
Active
[WTS] Omega Seamaster 300, Ref. 233.30.41.21.01.001, $3,700

Omega Seamaster 300, Ref. 233.30.41.21.01.001, $3,700

This Omega Seamaster 300 Heritage is one of Omega's most iconic dive watches, featuring a Co-Axial Master Chronometer Cal. 8400 and anti-magnetic properties up to 15,000 gauss.

  • Condition: Excellent pre-owned condition
  • Movement: Omega Cal. 8400 (Automatic, Co-Axial Master Chronometer)
  • Case size: 41mm
  • Water resistance: None mentioned
Posted at
Apr 18, 2026, 3:48 PM
Active