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

Omega Seamaster Deville, 1975, all original, gold filled

Omega - c6336 · $800

1975 Omega Seamaster Deville with an all-gold filled case and a beads or rice bracelet.

Condition: pre-owned with recent service
Bracelet type: beads or rice
Case diameter: 35mm
Lug width: 18mm

Posted at

Feb 6, 2026, 10:18 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M 45.5mm $2,250

Omega - Seamaster Planet Ocean 600M · $2,250

Selling an Omega Seamaster Planet Ocean 600M with excellent timegraphers and little signs of use. It fits a 19cm wrist.

Condition: Excellent condition, freshly polished
Case Size: 45.5mm diameter
Wrist Size Fit: approximately 19cm
Shipping Origin: Singapore

Posted at

Feb 6, 2026, 9:44 PM

Active

View listing on r/WatchExchange

Jumbo Vintage Omega Seamaster Vertical Sparkle Dial w/ Original Omega Strap & Buckle JUST $1295 SHIPPED!

Omega - 168.034 · $1,295

This is a vintage Omega Seamaster with a vertical sparkle dial and original Omega strap and buckle. The watch features an automatic movement and has been regulated by a watchmaker.

Condition: Mint, unpolished example with lightly worn crystal
Year: 1972
Case Size: 39mm x 42mm
Diameter: 42mm lug to lug

Posted at

Feb 6, 2026, 8:29 PM

Active

View listing on r/WatchExchange

Omega Seamaster 2261.50

Omega - 2261.50.00 · $1,999

This Omega Seamaster Diver 300m is a unique variation of the model range, produced for the Japanese domestic market. It features non-skeletonized hands, a matte-black dial with polished applied indices, and a concentrically brushed steel bezel.

Condition: Fair condition of the Omega box, manuals, and other accessories
Movement: Omega caliber 1538, quartz movement
Power reserve: 2 years
Water resistance: 300m

Posted at

Feb 6, 2026, 6:47 PM

Active

View listing on r/WatchExchange

2021 OMEGA SEAMASTER AQUA TERRA 150M 220.10.43.22.03.001

OMEGA - 220.10.43.22.03.001 · $6,900

This 2021 Omega Seamaster Aqua Terra features a 43mm stainless steel case, blue dial, and Calibre 8938 movement with a 60-hour power reserve. It has a water resistance of 150 meters.

Condition: Pre-owned, cosmetic condition: 9/10, fully functional
Case size: 43mm
Movement: Calibre 8938
Power reserve: 60 hours

Posted at

Feb 6, 2026, 6:35 PM

Active

View listing on r/WatchExchange

Omega Seamaster 2551.80 Watch only!

Omega - 2551.80 · $1,850

A vintage Omega Seamaster with phenomenal patina and aged well in all the right places, runs great at -2.1 sec/day.

Condition: Pre-owned with minor scratches
Patina status: phenomenal
Accuracy: -2.1 sec/day at Amp 247
Bezel condition: clean

Posted at

Feb 6, 2026, 6:31 PM

Active

View listing on r/WatchExchange

2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue 210.30.42.20.03.003 Full Set

Omega - 210.30.42.20.03.003 · $4,600

2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue, a stainless steel automatic diver's watch with a rotating dive bezel and summer blue gradient ceramic dial.

Condition: Nice pre-owned condition with some scratches on the case bezel and bracelet
Case Material: stainless steel
Case Dimensions: 42mm diameter
Bezel: stainless steel with blue ceramic insert

Posted at

Feb 6, 2026, 5:22 PM

Active

View listing on r/WatchExchange

Omega Seamaster Professional 41mm 20mm Lug Bracelet 1503/825 (de-pinned, needs new pins)

Omega - 1503/825 · $400

This Omega Seamaster Professional is a 41mm model with a de-pinned 20mm lug bracelet, sold as is.

Condition: Used, sold as-is
Bracelet condition: Links are in good condition

Posted at

Feb 6, 2026, 5:06 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Chronograph 232.90.46.51.03.001 (2020) – Full Set – $5999

Omega - 232.90.46.51.03.001 · $5,999

This Omega Seamaster Planet Ocean Chronograph is a professional-grade dive watch featuring a 600m water resistance rating and an in-house automatic chronograph movement.

Condition: Clean condition, normal wear consistent with careful use
Water Resistance: 600m
Case Size: 45.5mm diameter
Movement: Omega Co-Axial Master Chronometer Caliber 9300 column-wheel chronograph movement

Posted at

Feb 6, 2026, 2:35 PM

Active

View listing on r/WatchExchange