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 ‘Seaweed’($5,250)

Omega Seamaster ‘Seaweed’($5,250)

This Omega Seamaster Diver 300M Co-Axial Master Chronometer features a green dial and is made of stainless steel, with a diameter of 42mm excluding the crown.

  • Condition: Excellent
  • Material: Stainless Steel
  • Diameter: 42mm (excluding crown)
  • Movement: Self-Winding Co-Axial Master Chronometer
Posted at
Apr 30, 2026, 8:02 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M - Full Set - Near Mint

Omega Seamaster Aqua Terra 150M - Full Set - Near Mint

The Seamaster Aqua Terra is a tribute to OMEGA's rich maritime heritage, featuring a stainless steel case with a wave-edged design and a green sun-brushed dial with a horizontal "teak" pattern.

  • Condition: New in box - Near Mint
  • Case diameter: 41mm
  • Crystal type: Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
  • Caliber: Omega 8900
Posted at
Apr 30, 2026, 3:35 PM
Active
[WTS] Omega Seamaster Diver – Ref 210.30.42.20.06.001 – Very Good – Full Set = OM Strap

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This Omega Seamaster Diver features a blue ceramic bezel and gray wave dial, powered by the Calibre 8800 Co-Axial Master Chronometer with a 55hr power reserve, 300m water resistance, and METAS certification for anti-magnetism to 15,000 gauss. The watch is in very good condition, with a clean dial and no marks on the crystal or case, but some light wear on the bracelet.

  • Condition: Very Good
  • Bezel material: blue ceramic
  • Dial color: gray wave
  • Water resistance: 300m
Posted at
Apr 30, 2026, 3:25 PM
Active
[WTS] Vintage Omega Seamaster 30 - Pakistan AirForce - AM dial - 1960s.

Vintage Omega Seamaster 30 - Pakistan AirForce - AM dial - 1960s.

Omega - 135.011 · $2,000
A vintage Omega Seamaster 30, a rare military collectible watch produced for the Pakistan Air Force in the 1960s, featuring a manual winding mechanism and historical significance.

  • Condition: Pre-owned
  • Caliber: Cal 601
  • Size: 34-35mm diameter
  • Movement: Manual/hand wind
Posted at
Apr 30, 2026, 1:00 PM
Active
[WTS] Omega Seamaster Aqua Terra 2503.80.00 — Blue Sunburst Dial — 39.2mm — Fresh Service — $2,799 Shipped (Tariff Covered)

Omega Seamaster Aqua Terra 2503.80.00 — Blue Sunburst Dial — 39.2mm — Fresh Service — $2,799 Shipped (Tariff Covered)

Omega - 2503.80.00 · $2,799
This Omega Seamaster Aqua Terra features a blue sunburst dial and is powered by the Cal. 2500 Co-Axial automatic movement, recently serviced.

  • Condition: Excellent overall condition with normal signs of wear
  • Case diameter: 39.2mm
  • Case thickness: ~11.2mm
  • Lug width: 20mm
Posted at
Apr 30, 2026, 12:11 PM
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

A 2024 Omega Seamaster Diver 300M in Green Seaweed, a high-end diver's watch featuring a 42mm case and excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Depth rating: 300m
Posted at
Apr 30, 2026, 9:58 AM
Active
[WTS] 2020 Omega Seamaster Diver 41mm 212.30.41.20.01.003 Black Full Set - $3,795

2020 Omega Seamaster Diver 41mm 212.30.41.20.01.003 Black Full Set - $3,795

Up for sale is a 2020 Omega Seamaster Diver Black, featuring a 41mm case size.

  • Condition: Excellent condition with minimal signs of wear.
  • Case Diameter: 41mm
  • Year: 2020
Posted at
Apr 30, 2026, 9:56 AM
Active
[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

Up for sale is a Omega Seamaster Planet Ocean 600m Titanium Blue, a watch that features a 2025 model year and has been thoroughly tested on a timegrapher.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Case material: Titanium
  • Water resistance: 600m
Posted at
Apr 30, 2026, 9:54 AM
Active
[WTS] Omega Seamaster Aqua Terra 2504.80.00 — 36.2mm Blue Sunburst Dial — Fresh Serviced — $2,799 Shipped (Tariff Covered)

Omega Seamaster Aqua Terra 2504.80.00 — 36.2mm Blue Sunburst Dial — Fresh Serviced — $2,799 Shipped (Tariff Covered)

Omega - 2504.80.00 · $2,799
This Omega Seamaster Aqua Terra features a blue sunburst dial and is powered by an Omega Cal. 2500 Co-Axial automatic movement, which has recently been serviced.

  • Condition: Excellent
  • Case size: 36.2mm
  • Lug width: 18mm
  • Thickness: 11mm
Posted at
Apr 30, 2026, 9:52 AM
Active