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.
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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 Aqua Terra – ‘Blue Wave’ – Gold Accents – Complete Set

Omega Seamaster Aqua Terra – ‘Blue Wave’ – Gold Accents – Complete Set

Omega - 23110422103006 · $4,950
The Omega Seamaster Aqua Terra 'Blue Wave' features a striking blue dial with wave pattern and is equipped with the Master Co-Axial calibre 8500. It has a 41.5mm stainless steel case, water resistance to 150M, and power reserve of 60 hours.

  • Condition: Excellent all-around condition
  • Case size: 41.5mm diameter
  • Water resistance: 150M / 15 bar
  • Power reserve: 60 hours
Posted at
May 23, 2026, 1:26 PM
Active
[WTS] Omega Seamaster "First Gen Aqua Terra" 2504.50.00 Mid-Size 36.2mm | Cal. 2500 Co-Axial, Fresh Service, Box & Cards | $2,850 Shipped

Omega Seamaster "First Gen Aqua Terra" 2504.50.00 Mid-Size 36.2mm | Cal. 2500 Co-Axial, Fresh Service, Box & Cards | $2,850 Shipped

Omega - 2504.50.00 · $2,850
  • Condition: Honest unpolished condition, sharp factory case lines and well-preserved brushing throughout
  • Case size: 36.2mm
  • Lug-to-lug: ~43.5mm
  • Thickness: ~11.5mm
Posted at
May 23, 2026, 12:51 PM
Active
[WTS] Omega Seamaster 300 - James Bond 007 Commander - Limited Edition - $4,750 Shipped

Omega Seamaster 300 - James Bond 007 Commander - Limited Edition - $4,750 Shipped

Omega - 300 · $4,750
This Omega Seamaster 300 is a limited edition watch inspired by the James Bond 007 Commander. It features a unique design and is likely to be of interest to collectors.

  • Limited edition: true
  • Model name: Seamaster 300
Posted at
May 23, 2026, 12:43 PM
Active
[WTS] Vintage Omega Seamaster $999 SHIPPED

Vintage Omega Seamaster $999 SHIPPED

Omega - 168.024 · $999
A vintage Omega Seamaster in good condition, featuring a patina on the dial and an 34mm case without crown.

  • Case size: 34mm (without crown), 37mm (with crown)
  • Payment methods: Zelle, PayPal, Venmo, Apple Pay, Cash App
  • Return policy: 48 hour window for issues
Posted at
May 23, 2026, 12:39 PM
Active
[WTS] Vintage Omega Seamaster (watch only) - Very Good Condition ($1000)

Vintage Omega Seamaster (watch only) - Very Good Condition ($1000)

Omega - Seamaster · $1,000
This vintage Omega Seamaster is a circa 1950s watch with a stainless steel case, automatic winding movement, and sapphire crystal. It features a 34.5mm diameter case and a 42-hour power reserve.

  • Condition: Very good
  • Case Material: Stainless steel
  • Case Size Diameter: 34.5mm
  • Lug To Lug Length: 41.7mm
Posted at
May 23, 2026, 11:23 AM
Active
[WTS] Memorial Day Weekend Sale –Vintage Omega Seamaster 1958 Ref. 2846 9SC – Cal. 500 – Honest Vintage Survivor – $999+shipping

Memorial Day Weekend Sale –Vintage Omega Seamaster 1958 Ref. 2846 9SC – Cal. 500 – Honest Vintage Survivor – $999+shipping

Omega - 2846 9SC · $999
This is an early Omega automatic featuring the respected Cal. 500 full-rotor movement, one of Omega's important early automatic calibers from the golden era of Swiss watchmaking. The watch has a very honest vintage feel and wears beautifully on wrist.

  • Condition: Honest vintage piece with visible age and patina throughout
  • Movement: Omega Calibre 500 automatic
  • Case material: Stainless steel
  • Crystal condition: Normal vintage wear
Posted at
May 23, 2026, 10:17 AM
Active
[WTS] Omega Seamaster Cosmic 166.026, Handmade Leather Strap (Serviced) only for 699$ Shipped🚢

Omega Seamaster Cosmic 166.026, Handmade Leather Strap (Serviced) only for 699$ Shipped🚢

Omega - 166.026 · $699
Up for sale is a Omega Seamaster reference 166.026 featuring a stainless steel case with a case size of 35mm, clean dial with tuxedo style brushed effect.

  • Condition: Good, with minor scratches and dents on case and dial
  • Case size: 35mm diameter
  • Movement: Calibre 565 automatic movement
  • Strap material: Handmade grain leather strap
Posted at
May 23, 2026, 9:02 AM
Active
[WTS] Omega Seamaster Diver SMP300M Black Wave Dial on Rubber – Ref. 210.32.42.20.01.001 – 2021 Full Set – $4,479

Omega Seamaster Diver SMP300M Black Wave Dial on Rubber – Ref. 210.32.42.20.01.001 – 2021 Full Set – $4,479

This Omega Seamaster Diver 300M features a black ceramic wave dial, factory rubber strap, and Master Chronometer Caliber 8800. The 42mm stainless steel case offers exceptional anti-magnetism, accuracy, and a 55-hour power reserve.

  • Condition: Excellent overall
  • Case size: 42mm
  • Movement: Master Chronometer Caliber 8800
  • Power reserve: 55 hours
Posted at
May 23, 2026, 8:31 AM
Active