Omega Seamaster Seamaster Master Co-Axial 39.5 Swiss Edition Stainless Steel / Silver / Alligator

Reference 511.13.40.20.06.002

About this watch

The Omega Seamaster Master Co-Axial 39.5 Swiss Edition is a masterpiece of luxury watchmaking, blending traditional craftsmanship with cutting-edge technology. This stunning timepiece boasts a gradient grey dial with stick and dot indexes, feuille hands, and a round shape that exudes elegance. The movement powering this watch is the impressive Omega caliber 8800, featuring a self-winding mechanism with a Co-Axial escapement for precision and longevity. Master Chronometer certification ensures accuracy and performance under various conditions, while the power reserve of 55 hours allows you to take it off for extended periods without worrying about winding. The comfortable alligator leather strap adds a luxurious touch, making this watch perfect for daily wear or special occasions. With its exceptional timekeeping precision, date function, and water resistance rating of 60 meters, the Seamaster Master Co-Axial is an investment piece that offers great value for those looking to expand their luxury watch collection. Its elegant design and advanced movement make it a standout piece in Omega's impressive lineup.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Gradient grey dial
  • Omega caliber 8800 self-winding movement with Co-Axial escapement
  • Master Chronometer certification for accuracy
  • 55-hour power reserve
  • Comfortable alligator leather strap
  • Water resistance rating of 60 meters
  • Date function

Specifications

Brand
Omega
Family
Seamaster
Model
Seamaster Master Co-Axial 39.5 Swiss Edition Stainless Steel / Silver / Alligator
Reference
511.13.40.20.06.002
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 39.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
60

Current Listings

[WTS] Omega Seamaster 300M Co-Axial 2220.80 B&P 41mm- $2,790

Omega Seamaster 300M Co-Axial 2220.80 B&P 41mm- $2,790

Omega - 2220.80 · $2,790
This Omega Seamaster 300M Co-Axial has a 41mm steel case and automatic co-axial cal 2500 movement.

  • Condition: great condition with minimal marks/hairlines on case, caseback, and bracelet
  • Case size: 41mm diameter
  • Movement: automatic co-axial cal 2500
Posted at
Feb 3, 2026, 8:15 PM
Active
[WTS] Omega Seamaster 300 Blue dial 168.1623 - Omega 2024 service

Omega Seamaster 300 Blue dial 168.1623 - Omega 2024 service

Omega - 168.1623 · $3,490
This Omega Seamaster 300 features a classic blue wave dial with luminous hour markers and hands, housed in a 41mm stainless steel case.

  • Condition: Pre-owned with signs of previous wear
  • Case size: 41mm diameter
  • Bezel condition: Stunning
  • Dial condition: Perfect
Posted at
Feb 3, 2026, 5:39 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

A Omega Seamaster Aqua Terra 150m Blue, featuring a 7.25" bracelet.

  • Bracelet length: 7.25 inches
Posted at
Feb 3, 2026, 4:34 PM
Active
[WTS] Omega Seamaster Diver 300 M l Blue dial  42mm l 210.32.42.20.03.001 Box & Papers

Omega Seamaster Diver 300 M l Blue dial 42mm l 210.32.42.20.03.001 Box & Papers

This Omega Seamaster Diver 300 M features a blue ceramic bezel and dial with laser-engraved waves, along with rhodium-plated indexes filled with white Super-LumiNova. It's available in a 42mm stainless steel case and comes with various accessories including an inner wooden box.

  • Condition: Pre-owned with normal signs of wear
  • Case size: 42mm diameter
  • Water resistance: 200m depth rating
Posted at
Feb 3, 2026, 4:11 PM
Active
[WTS] Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega - 2504.80 · $2,650
The Omega Seamaster Aqua Terra features a 36.2mm case, navy blue sunburst dial, and Co-Axial automatic movement. It includes a domed sapphire crystal with anti-reflective coating and an elegant stainless steel bracelet.

  • Condition: Excellent overall condition with minimal wear
  • Case size: 36.2mm diameter
  • Crystal type: domed sapphire crystal with anti-reflective coating
Posted at
Feb 3, 2026, 1:39 PM
Active
[WTS] Omega Seamaster Aqua Terra Quartz - 38.5mm - 231.10.39.60.02.001 - Clean!

Omega Seamaster Aqua Terra Quartz - 38.5mm - 231.10.39.60.02.001 - Clean!

A simple yet elegant OMEGA Seamaster Aqua Terra 150M with a Caliber 4564 quartz movement housed in a 38.5mm case, available at a great price point.

  • Case size: 38.5mm
  • Depth rating: 150m
  • Movement type: quartz
Posted at
Feb 3, 2026, 1:28 PM
Active
[WTS] Omega Seamaster Diver 300M 42mm 210.32.42.20.03.001 Full Set Mint

Omega Seamaster Diver 300M 42mm 210.32.42.20.03.001 Full Set Mint

A modern, high-performance dive watch with iconic Seamaster styling featuring a blue wave dial and ceramic bezel.

  • Condition: Mint
  • Case size: 42mm
  • Dial color: blue
  • Bezel material: ceramic
Posted at
Feb 3, 2026, 12:58 PM
Active
[WTS] 1971 14K Gold Filled Omega Seamaster - Complete Set

1971 14K Gold Filled Omega Seamaster - Complete Set

Omega - Seamaster · $750
A 1971 Omega Seamaster, sold as a complete set with original black strap and an updated brown leather strap from Omega.

  • Year: 1971
  • Material: 14K Gold Filled
  • Strap: black (original), brown (Omega replacement)
Posted at
Feb 3, 2026, 11:29 AM
Active