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 38 Green 220.12.38.20.10.001 MINT REDUCED

Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001 MINT REDUCED

A Omega Seamaster Aqua Terra 38 in mint condition, with box and papers included.

  • Condition: Mint
  • Original Strap: Original omega strap
  • Leather Strap Depth Rating: 200m water resistant (TUNS green leather strap)
  • Warranty: Watchmaxx warranty
Posted at
Feb 12, 2026, 8:16 PM
Active
[WTS] Omega Seamaster 300m Automatic 2253.80 36.25mm

Omega Seamaster 300m Automatic 2253.80 36.25mm

Omega - 2253.80 · $1,950
This Omega Seamaster 300m Automatic has been the seller's daily driver for two years, having accompanied them on various activities and travels while maintaining reliable timekeeping.

  • Condition: Used with signs of wear
  • Year: 2006
Posted at
Feb 12, 2026, 7:30 PM
Active
[WTS] Omega Seamaster 300m Peter Blake 41mm Quartz 2264.50

Omega Seamaster 300m Peter Blake 41mm Quartz 2264.50

Omega - 2264.50 · $2,399
This Omega Seamaster 300m Peter Blake is a quartz-powered timepiece featuring a 41mm case and a 7" bracelet.

  • Condition: like new/fresh polish
  • Bracelet length: 7 inches
Posted at
Feb 12, 2026, 4:21 PM
Active
[WTS] Omega Seamaster 600m Planet Ocean 42mm 232.30.42.21.01.001

Omega Seamaster 600m Planet Ocean 42mm 232.30.42.21.01.001

A 42mm Omega Seamaster Planet Ocean with an automatic movement.

  • Model size: 42mm diameter
  • Bracelet length: 7.5 inches
Posted at
Feb 12, 2026, 4:19 PM
Active
[WTS] 1971 OMEGA PLOPROF SEAMASTER 600 all original

1971 OMEGA PLOPROF SEAMASTER 600 all original

A 1971 Omega Ploprof Seamaster 600, an iconic dive watch designed for deep-sea use. This all-original example is a rare Left Hand Drive model, requiring a service to run smoothly.

  • Condition: Lightly used, minor marks consistent with age
  • Case size: 44mm diameter
  • Movement service needed: true
Posted at
Feb 12, 2026, 3:48 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M 45.5mm 232.30.46.21.01.001 – $2,850

Omega Seamaster Planet Ocean 600M 45.5mm 232.30.46.21.01.001 – $2,850

This Omega Seamaster Planet Ocean 600M features a stainless steel case with a black dial and bezel, Omega Co-Axial automatic movement, and 600m water resistance.

  • Condition: Very good to excellent pre-owned with minimal wear
  • Case size: 45.5mm diameter
  • Water resistance: 600m / 2000ft
  • Movement type: Omega Co-Axial automatic movement
Posted at
Feb 12, 2026, 3:22 PM
Active
[WTS] Omega Seamaster Diver 300M 210.30.42.20.04.001 | 2022 Complete Set

Omega Seamaster Diver 300M 210.30.42.20.04.001 | 2022 Complete Set

A 2022 Omega Seamaster Diver 300M is being sold, complete with its original packaging and accessories.

  • Condition: Preowned with light wear and minor scratches
  • Water Resistance: 30 bar
  • Movement: Master Chronometer
  • Bracelet: Fully linked bracelet
Posted at
Feb 12, 2026, 2:55 PM
Active
[WTS] Omega Seamaster 2201.20

Omega Seamaster 2201.20

Omega - 2201.20 · $1,100
The Omega Seamaster is a working watch that fits around a 6.75 in wrist.

  • Size: fits around a 6.75 in wrist
Posted at
Feb 12, 2026, 2:32 PM
Active
[WTS] 2020 Omega Seamaster Aqua Terra 42mm Spectre 007 James Bond LE 231.10.42.21.03.004 Full Set

2020 Omega Seamaster Aqua Terra 42mm Spectre 007 James Bond LE 231.10.42.21.03.004 Full Set

A 2020 Omega Seamaster Aqua Terra 42mm Spectre limited-edition model, created to celebrate James Bond's on-screen return in the 2015 film.

  • Condition: Excellent
  • Year: 2020
  • Edition: Spectre 007 James Bond LE
Posted at
Feb 12, 2026, 12:52 PM
Active