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 Planet Ocean 600M (215.30.44.21.01.001)

Omega Seamaster Planet Ocean 600M (215.30.44.21.01.001)

This Omega Seamaster Planet Ocean 600M features a black dial on a steel bracelet. The watch is discontinued with boxes, booklet, and warranty card dated 6/9/2023.

  • Condition: Excellent condition with a few light marks
  • Case Size: 43.5mm diameter
  • Bracelet Material: Stainless Steel
  • Crystal: Sapphire
Posted at
May 10, 2026, 11:46 AM
Active
[WTS][US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

[US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

Up for sale is an Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm watch that functions perfectly mechanically without issue.

  • Condition: Fantastic with minor hairlines
  • Case Size: 42mm
Posted at
May 10, 2026, 9:35 AM
Active
[wts] Omega Seamaster Professional co-axial 300m 41mm 212.30.41.20.01.003 Black no wave dial with box, pictogram card, ebay authenticity card, extra Zealande rubber strap, and manual. $2900 shipped. Repost and Price Drop

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  • Condition: Used
  • Bracelet condition: Sign of wear throughout
  • Bezel condition: Good
  • Crystal condition: Good
Posted at
May 10, 2026, 9:24 AM
Active
[WTS] Omega Seamaster Beautiful Stardust Dial With Omega Bracelet 166.032 (Serviced) only for 899$ Shipped🚢

Omega Seamaster Beautiful Stardust Dial With Omega Bracelet 166.032 (Serviced) only for 899$ Shipped🚢

Omega - 166.032 · $899
A vintage Omega Seamaster from 1968 featuring a stainless steel case with a stardust dial and an automatic movement.

  • Condition: Good, with hairline scratches on case and crystal
  • Case Size: 36.5mm
  • Bracelet Length: 7.5 inches
  • Movement Type: Automatic (calibre 752)
Posted at
May 10, 2026, 8:57 AM
Active
[WTS] Omega Seamaster 30 Manual Wind 135.007 -64 Men's Watch SALE  $350

Omega Seamaster 30 Manual Wind 135.007 -64 Men's Watch SALE $350

Omega - 135.007-64 · $350
This Omega Seamaster 30 is a manual wind watch made in Switzerland with a stainless steel case measuring 35mm in width.

  • Condition: Preowned with wear, patina, scratches and marks
  • Movement: Manual winding
  • Case material: Stainless steel
  • Band type: AfterMarket leather
Posted at
May 9, 2026, 10:25 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M Co-Axial. 220.10.41.21.10.001, 41 mm. Box, Papers.

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A Omega Seamaster Aqua Terra 150M Co-Axial with a 41mm diameter and 150m water resistance is being sold. The watch comes in its original box along with papers.

  • Case size: 41 mm
  • Box and papers included: true
Posted at
May 9, 2026, 4:46 PM
Active
[WTS] Omega Seamaster Professional. 41mm. Automatic. Strong lume..

Omega Seamaster Professional. 41mm. Automatic. Strong lume..

A 41mm automatic Omega Seamaster Professional for sale with strong lume.

  • Size: 41mm diameter
  • Movement: automatic
Posted at
May 9, 2026, 3:29 PM
Active
[WTS] Omega Seamaster Calendar

Omega Seamaster Calendar

A vintage Omega Seamaster Calendar with a cream dial and gold accents. It features an automatic movement with a 40 power reserve and is housed in a 36mm x 12mm case.

  • Condition: G, good condition for a 50+ year old watch with marks on the acrylic crystal
  • Case dimensions: 36mm x 12mm case, 42mm lug to lug
  • Lug width: 18mm
  • Movement: Caliber 503 automatic movement
Posted at
May 9, 2026, 3:11 PM
Active
[WTS] Omega Seamaster Professional 300m Automatic 2531.80.00 /2200€

Omega Seamaster Professional 300m Automatic 2531.80.00 /2200€

Omega - 2531.80.00 · $2,200
The Omega Seamaster Professional 300m Automatic is a well-maintained automatic watch with a stainless steel case.

  • Condition: good for its age
  • Shipping: worldwide
Posted at
May 9, 2026, 2:29 PM
Active