Omega Seamaster Seamaster Master Co-Axial 39.5 Macau Edition Stainless Steel / Green / Alligator

Reference 511.13.40.20.10.001

About this watch

The Omega Seamaster Master Co-Axial 39.5 Macau Edition is a breathtaking timepiece that embodies everything we love about Omega. With its stunning green gradient dial, crafted from high-quality stainless steel, and protected by a scratch-resistant sapphire crystal, this watch is both modern and sophisticated. The Omega Caliber 8800 movement features innovative Co-Axial escapement, reducing friction and enhancing longevity. Certified by METAS, it's resistant to magnetic fields up to 15,000 gauss. This self-winding movement boasts an impressive 55-hour power reserve and 60 meters water resistance. Its ergonomic design makes it feel like a second skin, and the alligator leather strap adds a touch of elegance. Whether you're dressed in formal attire or casual wear, this watch is versatile enough for any occasion. With only 399 units available, its limited edition status adds to its allure, making it a collectible piece of art that tells a story.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Omega Caliber 8800 movement
  • Scratch-resistant sapphire crystal
  • Stainless steel case and strap
  • 60 meters water resistance
  • 55-hour power reserve
  • Co-Axial escapement
  • Limited edition with only 399 units

Specifications

Brand
Omega
Family
Seamaster
Model
Seamaster Master Co-Axial 39.5 Macau Edition Stainless Steel / Green / Alligator
Reference
511.13.40.20.10.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 39.5mm
Dial Color
Green
Crystal
Sapphire
Water Resistance
60

Current Listings

[WTS] Omega Seamaster Professional 42mm 210.32.42.20.03.001 | 2020 Full Set

Omega Seamaster Professional 42mm 210.32.42.20.03.001 | 2020 Full Set

2020 Omega Seamaster Professional 300M in 42mm size, Master Chronometer certified, with a service history unknown.

  • Condition: Pre-Owned, Great Condition
  • Case Diameter: 42mm
  • Accuracy: -3 s/d 340+ AMP
Posted at
Mar 22, 2026, 1:05 PM
Active
[WTS] 2024 Omega Seamaster Diver 300M 42mm White Ceramic Wave Dial 210.30.42.20.04.001 Full Set Excellent

2024 Omega Seamaster Diver 300M 42mm White Ceramic Wave Dial 210.30.42.20.04.001 Full Set Excellent

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

  • Condition: Excellent
  • Year: 2024
  • Size: 42mm diameter
  • Contents: Full Set
Posted at
Mar 22, 2026, 1:03 PM
Active
[WTS] 2025 Omega Seamaster Diver 300M Sedna Gold 210.22.42.20.03.002 Full Set Excellent

2025 Omega Seamaster Diver 300M Sedna Gold 210.22.42.20.03.002 Full Set Excellent

The Omega Seamaster Diver 300M Sedna Gold is a luxury two-tone take on the iconic Diver 300M, featuring a stainless steel case, blue ceramic wave-pattern dial and an 18K Sedna Gold bezel.

  • Condition: Excellent
  • Case size: 42mm
  • Diameter: 42mm
  • Year of manufacture: 2025
Posted at
Mar 22, 2026, 12:59 PM
Active
[WTS] Omega Seamaster 300P ref 212.30.41.20.01.002 Unworn 2011 $3910

Omega Seamaster 300P ref 212.30.41.20.01.002 Unworn 2011 $3910

A 2011 Omega Seamaster 300P for sale, described as unworn.

  • Condition: Unworn
  • Year: 2011
Posted at
Mar 22, 2026, 12:35 PM
Active
[WTS] Omega Seamaster Aqua Terra – 'Blue Wave’ – Gold Accents – Complete

Omega Seamaster Aqua Terra – 'Blue Wave’ – Gold Accents – Complete

Omega - 23110422103006 · $4,950
The Omega Seamaster Aqua Terra 'Blue Wave' features a blue dial with wave pattern and gold accents, housed in a 41.5mm stainless steel case on a stainless steel bracelet.

  • Condition: Excellent all-around condition
  • Case Size: 41.5mm diameter
  • Bracelet Type: Stainless steel
  • Movement: Omega Master Co-Axial calibre 8500
Posted at
Mar 22, 2026, 12:26 PM
Active
[WTS] Omega Seamaster Aqua Terra “London 2012” Olympic Collection – Ref. 522.23.34.20.03.001 – Full Set 2015 – Excellent Condition

Omega Seamaster Aqua Terra “London 2012” Olympic Collection – Ref. 522.23.34.20.03.001 – Full Set 2015 – Excellent Condition

This Omega Seamaster Aqua Terra is a special edition released to commemorate the London 2012 Olympic Games, featuring a stainless steel case with an 18k yellow gold bezel and blue teak-pattern dial. It comes as a full set with inner/outer box, warranty card, and accessories, powered by the Omega Co-Axial Caliber 8520 automatic movement.

  • Condition: Excellent pre-owned condition
  • Case size: 34mm
  • Movement: Omega Caliber 8520 (automatic)
  • Power reserve: ~50 hours
Posted at
Mar 22, 2026, 12:10 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m 38mm. Ref 220.12.38.20.02.001

Omega Seamaster Aqua Terra 150m 38mm. Ref 220.12.38.20.02.001

A 38mm Omega Seamaster Aqua Terra with a depth rating of 150m is being sold.

  • Condition: minor wear on the sides
  • Warranty: until July 2028
  • Shipping: free shipping in US to a FedEx store near buyer's address
Posted at
Mar 22, 2026, 11:21 AM
Active
[WTS] 2023 Omega Seamaster Aqua Terra 41.5mm 150M Black 231.10.42.21.01.003 Full Set - $4,495

2023 Omega Seamaster Aqua Terra 41.5mm 150M Black 231.10.42.21.01.003 Full Set - $4,495

Up for sale is a **Omega Seamaster Aqua Terra Black**. This watch features a 41.5mm case and 150m water resistance.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Water Resistance: 150m
Posted at
Mar 22, 2026, 10:37 AM
Active
[WTS] 2021 Omega Seamaster Diver 41mm 212.30.41.20.01.003 Black Full Set - $3,695

2021 Omega Seamaster Diver 41mm 212.30.41.20.01.003 Black Full Set - $3,695

A 2021 Omega Seamaster Diver Black in excellent condition, barely used, and fully functional.

  • Condition: Excellent with minimal signs of wear
  • Case Size: 41mm
  • Depth Rating: 30m water resistance
Posted at
Mar 22, 2026, 10:16 AM
Active