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

1970 Omega Seamaster ref. 168.024 w/ Chronometer Cal. 564 on original ref. 2038 Milanese mesh bracelet – $1,380 shipped

Omega - 168.024 · $1,138

This is a fully original Seamaster with all the right details still in place, powered by the chronometer-rated Cal. 564 and paired with its original Omega Milanese mesh bracelet ref. 2038.

Condition: Good condition with minor aging visible under macro, light hairline scratches consistent with age
Movement: Chronometer Omega Cal. 564
Case material: Stainless steel
Bracelet type: Original and period-correct Omega Milanese mesh bracelet ref. 2038

Posted at

Apr 1, 2026, 11:56 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M

Omega - Planet Ocean 600M · $3,500

This Omega Seamaster Planet Ocean 600M is a modern icon in Omega's diver lineup, running flawlessly within its Master Chronometer specifications.

Condition: Excellent
Case material: Stainless steel
Diameter: 43.5 mm
Bezel type: Unidirectional rotating ceramic ZrO2

Posted at

Apr 1, 2026, 11:03 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 2504.50 - 36 mm - Watch, Box, Authenticity Card - $2780 USD + Shipping

Omega - 2504.50 · $2,780

This Omega Seamaster Aqua Terra is a 36mm black dial watch with automatic caliber 2500, featuring minor scuffs from careful wear.

Condition: Excellent overall condition with minor scuffs
Diameter: 36mm
Case size: 36mm
Caliber: Omega Caliber 2500

Posted at

Apr 1, 2026, 8:48 AM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 41mm 212.30.41.20.03.001 | 2018 Complete Set

Omega - 212.30.41.20.03.001 · $3,575

2018 Omega Seamaster Diver 41mm in excellent pre-owned condition with slight wear on polished parts of the case and bracelet.

Condition: Excellent Pre-Owned Condition
Case size: 41mm
Bracelet links: 12.5 Links + Divers Extension
Service history: Unknown

Posted at

Mar 31, 2026, 10:33 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz White Dial - $1,890

Omega - 231.10.39.60.02.001 · $1,890

This is a Omega Seamaster Aqua Terra watch with a quartz movement and a white dial, measuring 38mm in diameter.

Condition: Very good condition for its age, with minimal marks/hairlines
Case size: 38mm
Movement: Omega 1538 quartz

Posted at

Mar 31, 2026, 10:01 PM

Active

View listing on r/WatchExchange

Omega Seamaster 2503.30 Champagne Dial 39mm - $2,290

Omega - 2503.30 · $2,290

Up for sale is my great condition Omega Seamaster 2503.30, a 39mm watch with an automatic Omega Calibre 2500 movement.

Condition: Very good condition for its age (8.9/10)
Case size: 39mm
Movement: Omega Calibre 2500

Posted at

Mar 31, 2026, 9:51 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.50 42mm Box and Card - $3,150

Omega - 2201.50 · $3,150

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, measuring at 42mm and featuring an automatic Omega Calibre 2500 movement.

Condition: Very good condition for its age with minimal marks/hairlines on the case, caseback, and bracelet
Case size: 42mm diameter
Movement type: automatic
Bracelet length: up to 7-7.25 inch wrists

Posted at

Mar 31, 2026, 9:31 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 231.10.39 38.5mm Grey Teak Quartz, Box and Papers - $1,999

Omega - 231.10.39.61.06.001 · $1,999

This Omega Seamaster Aqua Terra is a great condition quartz watch measuring at 38mm, featuring an Omega 1538 movement, steel case, and original Omega steel bracelet.

Condition: Very good condition for its age
Case size: 38mm diameter
Movement type: quartz

Posted at

Mar 31, 2026, 9:28 PM

Active

View listing on r/WatchExchange