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

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

Omega - 2220.80 · $2,790
This Omega Seamaster 300M Co-Axial is a 41mm automatic watch featuring an co-axial cal 2500 movement.

  • Condition: Very good condition, minimal marks/hairlines
  • Movement: co-axial cal 2500
  • Bracelet size: fits up to 7-7.25 inch wrists depending on wrist shape
  • Water resistance: not specified
Posted at
Feb 11, 2026, 8:59 PM
Active
[WTS] Omega Seamaster Diver 300M 42mm – Ref. 210.32.42.20.01.001 – Full Kit + NATO

Omega Seamaster Diver 300M 42mm – Ref. 210.32.42.20.01.001 – Full Kit + NATO

This is a 2022 Omega Seamaster Diver 300M, featuring a 42mm case size and METAS Certified movement.

  • Condition: Excellent condition
  • Case size: 42mm
  • Movement: Omega Caliber 8800 Master Co-Axial
  • Water resistance: 300m depth rating
Posted at
Feb 11, 2026, 7:55 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

This Omega Seamaster Aqua Terra is a blue 150m diver's watch featuring a 7.25" bracelet.

  • Bracelet length: 7.25 inches
  • Payment methods: Zelle, Venmo, Western Union
Posted at
Feb 11, 2026, 6:16 PM
Active
[WTS] Omega Seamaster Planet Ocean 2200.50 - 45.5mm - Price Reduced!

Omega Seamaster Planet Ocean 2200.50 - 45.5mm - Price Reduced!

Omega - 2200.50 · $2,695
This Omega Planet Ocean 2200.50 is a fantastic piece, often associated with James Bond from Casino Royale.

  • Condition: Great, minimal wear
  • Size: 45.5mm diameter
Posted at
Feb 11, 2026, 5:54 PM
Active
[WTS] Omega Seamaster Black dial 212.30.41.20.01.003 Full Set

Omega Seamaster Black dial 212.30.41.20.01.003 Full Set

a 2017 Omega Seamaster Black Dial, Full Set, with a 41mm diameter.

  • Bracelet type: stainless steel
  • Rubber strap colors: black and white
  • Case diameter: 41mm
Posted at
Feb 11, 2026, 5:15 PM
Active
[WTS] Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

The Omega Seamaster 300 Heritage has a black dial with rich, glossy depth and broad arrow hands, paired with a steel case and matching bracelet for a solid, balanced look.

  • Condition: Excellent
  • Included Accessories: outer box, inner box, operating instructions, extra strap, card holder, warranty card, master chronometer card and pictograms card
  • Shipping Method: free overnight CONUS insured shipping
Posted at
Feb 11, 2026, 2:56 PM
Active
[WTS] 1969 Omega Seamaster De Ville

1969 Omega Seamaster De Ville

A 1969 Omega SeaMaster De Ville in good working condition, previously owned by the seller's late father.

  • Condition: good working condition
Posted at
Feb 11, 2026, 1:27 PM
Active
[WTS] Omega Seamaster Professional 300 36.25mm 2253.80 $1999 Shipped

Omega Seamaster Professional 300 36.25mm 2253.80 $1999 Shipped

Omega - 2253.80 · $1,999
A 2006 Omega Seamaster Professional 300 that has been the owner's daily driver for two years, showing its use but still keeping accurate time.

  • Condition: Used with some wear
  • Age: 15 years old (birth year watch)
  • Case size: 36.25mm
  • Water resistance: unknown
Posted at
Feb 11, 2026, 12:04 PM
Active
[WTS] Omega Seamaster full set

Omega Seamaster full set

Omega - Seamaster · $4,000
This Omega Seamaster is being sold with its original box and papers, along with a rubber and NATO strap. It also comes with some additional Omega accessories.

  • Condition: Pre-owned
  • Warranty Years Left: 4
  • Warranty Type: Manufacturer's
  • Accuracy: -3 seconds per day
Posted at
Feb 11, 2026, 8:22 AM
Active