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.
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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 Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm  - $2,590

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,590

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001, this watch measures at 38.5mm and has an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition for its age
  • Case size: 38.5mm
  • Movement: Automatic Omega Calibre 8500
  • Bracelet material: Steel
Posted at
May 24, 2026, 9:01 PM
Active
[WTS] Omega Seamaster Aqua Terra “Turquoise Shades” 41mm Reduced

Omega Seamaster Aqua Terra “Turquoise Shades” 41mm Reduced

Up for sale is my Omega Seamaster Aqua Terra Shades in the stunning turquoise lacquer dial configuration, featuring a sunburst/turquoise gradient effect that shifts beautifully in different lighting.

  • Condition: Pretty good overall condition with normal signs of wear
  • Case size: 41mm
  • Movement: Omega Co-Axial Master Chronometer Caliber 8900
  • Power reserve: 60 Hours
Posted at
May 24, 2026, 5:55 PM
Active
[WTS][US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

[US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

Up for sale is an Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm watch that functions perfectly mechanically without issue.

  • Condition: Fantastic condition with minor hairlines
  • Case material: Sedna Gold
  • Diameter: 42mm
Posted at
May 24, 2026, 3:06 PM
Active
[WTS] Omega Seamaster 300

Omega Seamaster 300

Omega - 168.1622 · $800
This Omega Seamaster 300 is a first-generation automatic watch, featuring a caliber 1120 and measuring 36mm in diameter. It's an excellent dive watch for everyday use.

  • Condition: Excellent, some natural wear and tear due to its age
  • Caliber: 1120
  • Case size: 36 mm
  • Water resistance: Not specified
Posted at
May 24, 2026, 11:56 AM
Active
[WTS] 2019 Omega Seamaster Diver 41mm 212.30.41.20.01.003 Black Full Set - $3,795

2019 Omega Seamaster Diver 41mm 212.30.41.20.01.003 Black Full Set - $3,795

A black Omega Seamaster Diver from 2019, available in a full set including boxes and warranty.

  • Condition: Excellent condition with minimal signs of wear.
  • Case size: 41mm
Posted at
May 24, 2026, 11:45 AM
Active
[WTS] 2019 Omega Seamaster Diver 41mm 212.30.41.20.03.001 Blue No Wave Full Set - $3,795

2019 Omega Seamaster Diver 41mm 212.30.41.20.03.001 Blue No Wave Full Set - $3,795

This listing is for a 2019 Omega Seamaster Diver Blue No Wave, which features a 41mm case size and comes in excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2019
  • Case size: 41mm
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Instructions Manual
Posted at
May 24, 2026, 11:44 AM
Active
[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

This Omega Seamaster Diver 300M Green Seaweed is a 2024 model, featuring the reference number 210.30.42.20.10.001.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Contents: Watch,Inner & Outer Box,Card Holder,International Warranty Card,Pictograms Card,Master Chronometer Card,Instructions Manual
Posted at
May 24, 2026, 11:40 AM
Active
[WTS] 2025 Omega Seamaster Aqua Terra Green 220.10.41.21.10.001 41mm Full Set - $4,995

2025 Omega Seamaster Aqua Terra Green 220.10.41.21.10.001 41mm Full Set - $4,995

A 2025 Omega Seamaster Aqua Terra Green, a high-end watch designed for everyday use.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 41mm
Posted at
May 24, 2026, 11:38 AM
Active
[WTS] Memorial Day Weekend Sale – Omega Seamaster Professional 300M Blue Wave Dial – 2023 Full Set – $4395 + Shipping

Memorial Day Weekend Sale – Omega Seamaster Professional 300M Blue Wave Dial – 2023 Full Set – $4395 + Shipping

This Omega Seamaster Professional 300M features a blue ceramic wave dial, METAS-certified Master Chronometer Calibre 8800, and is part of a 2023 full set with various accessories.

  • Condition: Excellent overall condition with minor signs of wear from normal use
  • Year: 2023
  • Warranty: Omega factory warranty through 2028
  • Box Condition: Minor signs of wear from normal use (outer box has a cosmetic line)
Posted at
May 24, 2026, 11:04 AM
Active