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 Planet Ocean 45.5mm Full Kit

Omega - Planet Ocean 45.5mm · $3,500

For sale is my beloved Omega Planet Ocean 45.5mm watch, featuring a sapphire and ceramic bezel with a depth rating of 600 meters, powered by an in-house Caliber 2500 movement.

Condition: Light wear, a few tiny scuffs and scratches on the lugs and case
Case size: 45.5mm
Water resistance: 600m
Bracelet material: steel

Posted at

Feb 2, 2026, 2:39 AM

Active

View listing on r/WatchExchange

Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Papers- $2,790 - Reserved post for u/3twellv

Omega - 2220.80 · $2,790

Up for sale is my Omega Seamaster 2220.80, a 41mm automatic co-axial cal 2500 movement watch in great condition.

Condition: 8.8/10 - great condition with minimal marks/hairlines
Case size: 41mm
Bracelet length: 7-7.25 inch (fits wrists up to 7.25 inches)
Shipping method: Fedex Priority Shipping

Posted at

Feb 2, 2026, 12:22 AM

Active

View listing on r/WatchExchange

Omega Seamaster Ref. 166.010 – Cal. 562 – Vintage Automatic

Omega - 166.010 · $1,000

This classic vintage Omega Seamaster ref. 166.010 is powered by the legendary caliber 562 automatic movement, featuring a clean design and excellent proportions.

Condition: very mint condition
Movement: Omega Cal. 562 automatic
Lug width: 18mm
Case material: Stainless steel

Posted at

Feb 1, 2026, 11:58 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 150M – Skyfall Grey Teak Dial |Ref. 231.10.42.21.06.001 | 41.5 mm | Full Set | 2020 | Excellent Condition

Omega - 231.10.42.21.06.001 · $4,250

A timeless and highly versatile Seamaster Aqua Terra featuring the sought-after Skyfall grey teak-pattern dial, inspired by the wooden decks of luxury sailboats.

Condition: Excellent
Case size: 41.5mm
Material: stainless steel
Water resistance: 150m depth rating

Posted at

Feb 1, 2026, 10:51 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aquaterra 38mm ideal condition, 220.32.38.20.03.001 box and papers $6500

Omega - 220.32.38.20.03.001 · $6,500

Aqua Terra 38mm from Omega, features a stunning turquoise dial and is upgraded with a rubber strap.

Condition: Mint
Case size: 38mm diameter
Strap material: rubber

Posted at

Feb 1, 2026, 9:33 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M Chronograph – Ref. 215.32.46.51.99.001 – 45.5mm Co-Axial – $4,599 Shipped

Omega - 215.32.46.51.99.001 · $4,599

A bold, modern professional dive chronograph featuring a 45.5mm stainless steel case, unidirectional red ceramic bezel, sapphire crystal, screw-down crown and pushers, and 600m / 2000ft water resistance.

Condition: Great overall
Case Size: 45.5mm diameter
Depth Rating: 2000ft water resistance

Posted at

Feb 1, 2026, 9:24 PM

Active

View listing on r/WatchExchange

[CONUS] 60s Vintage Omega Seamaster De Ville 166.020 | Salmon Patina Dial | Cal. 562 quickset | Circa 1960s | $830 (SERVICED)

Omega - 166.020 · $830

A 1960s Omega Seamaster De Ville with a salmon / honey dial, featuring minimalist applied indices that catch the light in all the right ways. This reference comes from the transitional period when Omega was blending sporty reliability with dress-watch refinement under the Seamaster De Ville line — and it shows.

Condition: Good vintage condition
Dial: Salmon / Honey
Movement: Cal. 562 (serviced)
Caliber: 562

Posted at

Feb 1, 2026, 6:45 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,350 Shipped ✈️

Omega - 2504.30 · $2,350

This Omega Seamaster Aqua Terra features a beautiful sunburst silver dial and is available in a compact 36mm case diameter.

Condition: very good condition
Case diameter: 36mm
Movement: Omega Co-axial 2500
Wrist size fit: 6.75 - 7inch

Posted at

Feb 1, 2026, 5:00 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

Omega - 215.30.44.22.01.001 · $4,795

This Omega Seamaster Planet Ocean GMT features a 43.5mm case size and has been well-maintained, showing only light scratches on the clasp and bracelet.

Condition: Very good, with minor wear
Size: 43.5mm diameter
Bracelet condition: Light scratches

Posted at

Feb 1, 2026, 4:58 PM

Active

View listing on r/WatchExchange