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

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  • Condition: Unworn
  • Movement: Omega Co-Axial Master Chronometer automatic movement
  • Water resistance: 300 meters
  • Case size: 42mm
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Feb 4, 2026, 2:42 PM
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[WTS] Omega Seamaster Planet Ocean - 2209.50 - 42mm

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Omega - 2209.50 · $2,695
A Omega Seamaster Planet Ocean watch ref: 2209.50, in a 42mm case size with orange bezel, available for sale.

  • Condition: Pre-owned with wear and vintage aesthetic
  • Case Size: 42mm
  • Bezel Color: orange
Posted at
Feb 4, 2026, 1:29 PM
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[WTS] Omega Seamaster Professional Blue Dial - 212.30.36.20.03.001 - 36mm

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Additional Details: Omega Seamaster Diver 300M Blue Dial (No Wave) Model: 212.30.36.20.03.001 - This is a watch-only example in great condition.

Posted at
Feb 4, 2026, 1:24 PM
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[WTS] Omega Seamaster 300 2220.80 “Casino Royale”Box and Papers

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Omega - 2220.80 · $3,600
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  • Condition: Good condition with scuffing on bracelet and superficial wear
  • Bracelet length: 6.5 inches
  • Links included: 3 full and 2 half sized links
  • Timekeeping accuracy: -7 seconds per day
Posted at
Feb 4, 2026, 12:48 PM
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[WTS] Omega Seamaster SMP300 - Black Dial - 42mm - 210.32.42.20.01.001 - Full Set

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  • Condition: Fantastic condition with minor hairlines
  • Case Size: 42mm diameter
Posted at
Feb 4, 2026, 8:10 AM
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[WTS] Omega Seamaster 2531.80 41mm Bond Box and Card - $2,500- Reserved post for u/CC-1945

Omega Seamaster 2531.80 41mm Bond Box and Card - $2,500- Reserved post for u/CC-1945

Omega - 2531.80 · $2,500
Up for sale is my Omega Seamaster 2531.80 in very good condition, measuring at 41mm with an Omega Caliber 1120 self-winding movement.

  • Condition: very good condition
  • Case diameter: 41mm
  • Movement type: self-winding
Posted at
Feb 4, 2026, 3:30 AM
Active
[WTS] Omega Seamaster 2531.80 41mm Bond Box and Papers - $2,600 - Reserved for u/PrecisionMatters

Omega Seamaster 2531.80 41mm Bond Box and Papers - $2,600 - Reserved for u/PrecisionMatters

Omega - 2531.80 · $2,600
Up for sale is my Omega Seamaster 2531.80, a 41mm watch with an Omega Caliber 1120 self-winding movement.

  • Condition: Very good condition
  • Case Size: 41mm
  • Movement: Omega Caliber 1120 self-winding
  • Bracelet Length: fits up to 7-7.25 inch wrists
Posted at
Feb 4, 2026, 2:38 AM
Active
[WTS] Omega Seamaster 300 ref. 166024, serviced, unpolished case. Very nice condition. Nice creamy lume, no trades. $5750 shipped conus

Omega Seamaster 300 ref. 166024, serviced, unpolished case. Very nice condition. Nice creamy lume, no trades. $5750 shipped conus

Omega - 166024 · $5,750
This Omega Seamaster 300 is in excellent condition with a serviced movement and an unpolished case. It features creamy lume.

  • Condition: Very nice condition
  • Lume color: creamy
Posted at
Feb 3, 2026, 10:13 PM
Active
[WTS] 🌊 Omega Seamaster Diver 300M Blue🌊

🌊 Omega Seamaster Diver 300M Blue🌊

Additional Details:

Posted at
Feb 3, 2026, 9:46 PM
Active