Omega Seamaster Seamaster Master Co-Axial 39.5 Macau Edition Stainless Steel / Green / Alligator

Reference 511.13.40.20.10.001

Omega Seamaster Master Co-Axial 39.5 Macau Edition Stainless Steel / Green / Alligator

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.

Buy Now on Jomashop

This is an affiliate link

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

Current Listings

1971 14K Gold Filled Omega Seamaster - Complete Set

Omega - Seamaster · $750

A 1971 Omega Seamaster, sold as a complete set with original black strap and an updated brown leather strap from Omega.

Year: 1971
Material: 14K Gold Filled
Strap: black (original), brown (Omega replacement)

Posted at

Feb 3, 2026, 11:29 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean. New generation with blue ceramic bezel.

Omega - 217.30.42.21.01.002 · $7,500

The Omega Seamaster Planet Ocean is a new generation watch with a blue ceramic bezel, featuring a metal bracelet.

Condition: Pre-owned, minor marks on clasp and links
Bracelet size: 7.1-inch (18 cm)
Warranty remaining: purchased with warranty card dated December 10, 2025
Receipt included: yes

Posted at

Feb 3, 2026, 10:02 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Chronograph full kit with warrenty

Omega - 215.30.46.51.01.001 · $4,799

A 2023 Omega Seamaster Planet Ocean Chronograph featuring jump hour capabilities, chronograph functions, helium escape valve, and 600M water resistance.

Condition: great shape with some wear on the bezel and bracelet
Water resistance: 600M
Diameter: 45.5mm

Posted at

Feb 3, 2026, 8:59 AM

Active

View listing on r/WatchExchange

1960s Omega Seamaster De Ville patina dial original bracelet! - $960 shipped!!

Omega - 165.020 · $960

This vintage Omega Seamaster De Ville features an automatic winding movement, patina dial, and original stainless steel bracelet.

Condition: 9/10
Circa: 1964
Case size: 34.5mm
Movement: Cal. 552 automatic winding

Posted at

Feb 3, 2026, 6:24 AM

Active

View listing on r/WatchExchange

2021 Omega Seamaster Diver 300

Omega - 210.32.42.20.04.01 · $4,400

2021 Omega Seamaster Diver 300, a high-end diver's watch featuring a ceramic bezel and crystal.

Condition: Very good with few very minor hairlines consistent with light careful use.
Case Size: 42mm
Box And Papers: outer box / inner box / warranty, Pictogram, Chronometer cards / manual

Posted at

Feb 2, 2026, 11:51 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,850

Omega - 2220.80 · $2,850

This Omega Seamaster 300M Co-Axial measures at 41mm and features an automatic co-axial cal 2500 movement. It has a steel case on an original Omega steel bracelet and comes with double box, warranty card, manual, and watch.

Condition: Very good condition with minimal marks/hairlines
Movement: Co-axial cal 2500
Case Size: 41mm diameter
Bracelet Length: up to 7.25 inches

Posted at

Feb 2, 2026, 8:31 PM

Active

View listing on r/WatchExchange

Omega Seamaster 2531.80 41mm Bond Box and Card - $2,500- Reserved post for u/CC-1945

Omega - 2531.80 · $2,500

Up for sale is my Omega Seamaster 2531.80, a self-winding watch measuring at 41mm with Omega Caliber 1120 movement.

Condition: Very good condition
Caliber: Omega Caliber 1120
Bracelet size range: 7.25-7.5 inch wrists depending on wrist shape
Shipping method: Fedex Priority Shipping

Posted at

Feb 2, 2026, 8:24 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 Box and Card - $2,390

Omega - 2222.80 · $2,390

Up for sale is my Omega Seamaster 2222.80, a 36mm automatic co-axial cal 2500 movement watch in great condition.

Condition: Very good, minimal marks and hairlines on case, caseback, and bracelet.
Case size: 36mm
Movement type: co-axial cal 2500
Crystal: sapphire crystal

Posted at

Feb 2, 2026, 8:22 PM

Active

View listing on r/WatchExchange

Omega Seamaster 2254.50 41mm Automatic Peter Blake - $2,790

Omega - 2254.50 · $2,790

Up for sale is my Omega Seamaster 2254.50 41mm Automatic Peter Blake in great condition, with a steel case on original Omega steel bracelet and all functions working well within COSC specs.

Condition: Very good condition
Case size: 41mm diameter
Bracelet length: up to 7-7.25 inch wrists depending on wrist shape

Posted at

Feb 2, 2026, 8:12 PM

Active

View listing on r/WatchExchange