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

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Omega - 21530442103001 · $4,500
The Omega Seamaster Planet Ocean 600M Blue Ceramic features a stainless steel case, blue ceramic dial, and unidirectional bezel with Liquidmetal diving scale. It has an automatic chronometer movement and is water resistant to 600 meters.

  • Condition: Unworn/mint condition
  • Case Size: 43.5mm
  • Movement Type: Automatic chronometer
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Jan 6, 2026, 2:31 PM
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  • Condition: Very good condition with minor wear
  • Size: 43.5mm diameter
  • Water Resistance: 600m depth rating
  • Movement Accuracy: +-0 seconds lost per day
Posted at
Jan 6, 2026, 2:04 PM
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Jan 6, 2026, 10:18 AM
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Omega - 300 Professional · $3,920
A Omega Seamaster 300 Professional watch with a flat black dial.

  • Diameter: 41mm
Posted at
Jan 6, 2026, 9:31 AM
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[WTS] Omega Seamaster Automatic Chronometer Officially Certified Ref 168.024.

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Omega - 168.024 · $1,300
The Omega Seamaster Ref. 168.024 is a 1968 model powered by Caliber 564 COSC automatic movement, featuring a clean non-lume silver dial with sunburst and a stainless steel case.

  • Condition: Great, minor scratches on case and caseback
  • Movement: Caliber 564 COSC automatic
  • Case size: 35mm (37mm including crown)
Posted at
Jan 6, 2026, 8:54 AM
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[WTS] Omega Seamaster Geneve, Beautiful Speckled Dial 165.002 (Serviced) Only for 625$ Shipped 🚢

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Omega - 165.002 · $625
A 1968 Omega Seamaster Geneve reference 165.002 featuring a stainless steel case with a 35mm diameter. The watch has been serviced and is working perfectly fine, keeping accurate time.

  • Condition: Good with a few scratches on the case and signs of aging on the dial
  • Case size: 35mm diameter
  • Movement: Calibre 552
  • Water resistance: null
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Jan 6, 2026, 8:40 AM
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[WTS] Omega Seamaster 300M Co-Axial Mid-size 2220.80 Full Kit - $2,900 - Reserved post for u/whitekimchee

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Omega - 2220.80 · $2,900
Up for sale is my Omega Seamaster 2220.80, a mid-size automatic co-axial cal 2500 movement watch that measures at 41mm.

  • Condition: 8.7/10 - great condition with minimal marks/hairlines
  • Movement: automatic co-axial cal 2500
  • Case size: 41mm diameter
  • Bracelet size: up to 7-7.25 inch wrists with all links included
Posted at
Jan 5, 2026, 9:49 PM
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  • Condition: Excellent overall with light, honest wear.
  • Case size: 42mm diameter
  • Water resistance: 300m
  • Movement type: Co-Axial Master Chronometer Caliber 8800
Posted at
Jan 5, 2026, 9:45 PM
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[WTS] 2024 Omega Seamaster Diver 300M Blue James Bond 60th 210.30.42.20.03.002 Full Set

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2024 Omega Seamaster Diver 300M Blue James Bond 60th Anniversary model, featuring a stainless steel case, rotating dive bezel, blue aluminium insert dial, and Omega stainless steel mesh bracelet.

  • Condition: Nice pre-owned condition with some very light scratches on the case, bracelet and buckle
  • Case material: Stainless Steel
  • Bezel type: Rotating Dive Bezel with Blue Aluminium Insert
  • Dial color: Blue Oxalic Anodized Aluminium Wave Dial
Posted at
Jan 5, 2026, 8:24 PM
Active