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] 1970 Omega Seamaster Jumbo “Baby Flightmaster” – Cal. 1002

1970 Omega Seamaster Jumbo “Baby Flightmaster” – Cal. 1002

Omega - 166.090 · $850
This Omega Seamaster Jumbo Ref. 166.090, nicknamed the 'Baby Flightmaster', features a bold and charismatic 1970s case design inspired by the famous pilot model.

  • Condition: Very nice condition with honest wear consistent with age
  • Movement: Omega Cal. 1002 automatic
  • Case: Gold-plated
  • Dial: Textured gold dial with applied indices
Posted at
Mar 19, 2026, 12:00 PM
Active
[WTS] Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - Full Set

Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - Full Set

Up for sale is an Omega Seamaster 300 Heritage - 41mm - Black Dial, which functions perfectly mechanically.

  • Condition: Fantastic condition with minor hairlines
  • Case Size: 41mm
  • Dial Color: black
Posted at
Mar 19, 2026, 7:46 AM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $2,990

Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $2,990

Omega - 2201.50 · $2,990
Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, measuring at 42mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition for its age with minimal marks/hairlines
  • Case size: 42mm diameter
  • Movement: Omega Calibre 2500
  • Bracelet type: original Omega steel bracelet
Posted at
Mar 19, 2026, 4:52 AM
Active
[WTS] Omega Seamaster 2252.50 Mid Size Peter Blake 36mm Box and Cards - $2,490

Omega Seamaster 2252.50 Mid Size Peter Blake 36mm Box and Cards - $2,490

Omega - 2252.50 · $2,490
Up for sale is a great condition Omega Seamaster 2252.50 with a 36mm case size and Calibre Omega 1120 Automatic movement.

  • Condition: 8.8/10, minimal marks on case and bracelet
  • Movement: Calibre Omega 1120 Automatic
  • Size: 36mm diameter
  • Inclusions: inner Omega box, original bracelet, cards, manual
Posted at
Mar 19, 2026, 4:43 AM
Active
[WTS] Omega Seamaster 300M Co-Axial 2220.80 41mm Box and Card- $2,790

Omega Seamaster 300M Co-Axial 2220.80 41mm Box and Card- $2,790

Omega - 2220.80 · $2,790
Up for sale is my Omega Seamaster 2220.80. This watch measures at 41mm and has an automatic co-axial cal 2500 movement.

  • Condition: 8.9/10, great condition with minimal marks/hairlines on case, caseback, and bracelet
  • Case size: 41mm diameter
  • Movement: automatic co-axial cal 2500
  • Bracelet type: original Omega steel bracelet
Posted at
Mar 19, 2026, 4:37 AM
Active
1967 Omega Seamaster 35mm Vintage Chronograph 321 Movement 105.005 Grains of Rice

1967 Omega Seamaster 35mm Vintage Chronograph 321 Movement 105.005 Grains of Rice

Omega - 105.005 · $7,500
A 1967 Omega Seamaster Chronograph with the legendary 321 movement, featuring a 'grains of rice' OEM Omega bracelet and tritium luminescence.

  • Condition: Fantastic shape cosmetically and mechanically
  • Movement: 321
  • Bracelet type: 'Grains of rice'
  • Case material:
Posted at
Apr 8, 2025, 1:27 PM
Active

(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.

  • Status: (SOLD)
Posted at
Apr 7, 2025, 10:22 AM
Active
Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

This Omega Seamaster 300M features a 42mm stainless steel case with a black aluminum dial and mesh bracelet, powered by the Master Co-Axial Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: 8806 Master Co-Axial
Posted at
Apr 6, 2025, 4:26 PM
Active
Omega Seamaster Professional 300m Diver Blue Dial/Bezel

Omega Seamaster Professional 300m Diver Blue Dial/Bezel

This Omega Seamaster Professional is a 42mm diver's watch with a blue ceramic dial and bezel, featuring an automatic movement with a 55-hour power reserve.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Thickness: 14mm
  • Lug width: 20mm
Posted at
Apr 6, 2025, 8:49 AM
Active