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] 2019 Omega Seamaster Diver 41mm 212.30.41.20.03.001 Blue No Wave Full Set - $3,695

2019 Omega Seamaster Diver 41mm 212.30.41.20.03.001 Blue No Wave Full Set - $3,695

A 2019 Omega Seamaster Diver in blue, measuring 41mm, available as a full set.

  • Condition: Excellent condition with minimal signs of wear
  • Box Status: Inner & Outer Box (Outer box has wear)
  • Contents: Watch, Card Holder, Pictograms Card, Instructions Manual
  • Shipping Insurance: Fully insured
Posted at
Mar 22, 2026, 10:06 AM
Active
[WTS] Omega Seamaster SMP300 Titanium NTTD - 210.90.42.20.01.001 - Full Set

Omega Seamaster SMP300 Titanium NTTD - 210.90.42.20.01.001 - Full Set

This Omega Seamaster SMP300 Titanium NTTD is a high-end timepiece featuring a titanium case and mesh bracelet.

  • Condition: Fantastic condition with minor hairlines on case, clasp, or bracelet
  • Case size: 42mm
  • Bracelet type: titanium mesh
Posted at
Mar 22, 2026, 9:51 AM
Active
[WTS] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

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, which functions perfectly mechanically.

  • Condition: Fantastic with minor hairlines
  • Case size: 42mm diameter
  • Set included: full set including box, manual, and warranty card
Posted at
Mar 22, 2026, 9:45 AM
Active
[WTS] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

This Omega Seamaster Planet Ocean 600m features a black dial and 45.5mm case size, perfect for diving or everyday wear.

  • Condition: Fantastic condition, minor hairlines
  • Case Size: 45.5mm diameter
Posted at
Mar 22, 2026, 9:40 AM
Active
[WTS] Omega Seamaster 2577 – Tropical Dial, Bumper Automatic, Unpolished Case

Omega Seamaster 2577 – Tropical Dial, Bumper Automatic, Unpolished Case

Omega - 2577 · $1,150
This Omega Seamaster features a classic bumper automatic movement with even tropical patina across the dial.

  • Condition: Evenly tropicalized dial and unpolished case, very attractive vintage condition
  • Movement: Bumper automatic
  • Case condition: Unpolished with honest wear consistent with age
Posted at
Mar 22, 2026, 8:57 AM
Active
[Omega] [WTS] vintage finds 1970s Omega Seamaster Cosmic 2000 Day-Date

[Omega] vintage finds 1970s Omega Seamaster Cosmic 2000 Day-Date

This 1970s Omega Seamaster Cosmic 2000 Day-Date features a unique double-sealed modular case and has been restored to its original factory finish. The automatic movement was fully serviced, achieving chronometer-level accuracy.

  • Condition: restored
  • Movement service status: fully serviced
  • Movement accuracy: +3 seconds per day
  • Amplitude: 264°
Posted at
Mar 22, 2026, 6:03 AM
Active
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

This Omega Seamaster Planet Ocean features a 45.5mm case, offering a large and stylish design. The watch is still under warranty until November 2027.

  • Condition: exceptional condition
  • Case size: 45.5mm diameter
  • Warranty valid until: November 2027
Posted at
Mar 21, 2026, 11:22 PM
Active
[WTS] Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega - 2504.80 · $2,650
This Omega Seamaster Aqua Terra features a navy blue sunburst dial, Co-Axial automatic movement and a stainless steel bracelet with a hidden clasp design.

  • Condition: Excellent overall condition with minimal wear
  • Case size: 36.2mm
  • Movement: Omega's Co-Axial automatic movement
Posted at
Mar 21, 2026, 8:21 PM
Active