Omega Seamaster Seamaster Master Co-Axial 39.5 Swiss Edition Stainless Steel / Silver / Alligator

Reference 511.13.40.20.06.002

Omega Seamaster Master Co-Axial 39.5 Swiss Edition Stainless Steel / Silver / Alligator

About this watch

The Omega Seamaster Master Co-Axial 39.5 Swiss Edition is a masterpiece of luxury watchmaking, blending traditional craftsmanship with cutting-edge technology. This stunning timepiece boasts a gradient grey dial with stick and dot indexes, feuille hands, and a round shape that exudes elegance. The movement powering this watch is the impressive Omega caliber 8800, featuring a self-winding mechanism with a Co-Axial escapement for precision and longevity. Master Chronometer certification ensures accuracy and performance under various conditions, while the power reserve of 55 hours allows you to take it off for extended periods without worrying about winding. The comfortable alligator leather strap adds a luxurious touch, making this watch perfect for daily wear or special occasions. With its exceptional timekeeping precision, date function, and water resistance rating of 60 meters, the Seamaster Master Co-Axial is an investment piece that offers great value for those looking to expand their luxury watch collection. Its elegant design and advanced movement make it a standout piece in Omega's impressive lineup.

Buy Now on Jomashop

This is an affiliate link

Key Features

Gradient grey dial
Omega caliber 8800 self-winding movement with Co-Axial escapement
Master Chronometer certification for accuracy
55-hour power reserve
Comfortable alligator leather strap
Water resistance rating of 60 meters
Date function

Specifications

Brand

Omega

Family

Seamaster

Model

Seamaster Master Co-Axial 39.5 Swiss Edition Stainless Steel / Silver / Alligator

Reference

511.13.40.20.06.002

Movement

8800

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Stainless Steel 39.5mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

Current Listings

Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega - 220.10.43.22.03.002 · $8,275

This Omega Seamaster Aqua Terra Worldtimer features a stunning 'Summer Blue' dial with a laser-ablated topographic map of the continents, making it one of the most visually impressive modern Omega pieces.

Condition: Brand new old stock and unworn
Diameter: 43mm

Posted at

Mar 31, 2026, 4:59 PM

Active

View listing on r/WatchExchange

Omega Seamaster Professional 300m 210.30.42.20.01.018 FULL SET

Omega - 210.30.42.20.01.018 · $5,800

Up for sale is my Omega Seamaster Professional Diver 300M Reference 210.30.42.20.01.018 with a black dial and orange accents.

Condition: Fairly new, minimal wear
Movement: Omega 8806 Automatic Self Winding w/ Hacking
Case material: Stainless steel
Diameter: 42mm

Posted at

Mar 31, 2026, 4:55 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 (Feb 2026) – $7,400

Omega - 217.32.42.21.01.001 · $7,400

Omega Seamaster Planet Ocean 600M for sale in Feb 2026, details to be added.

Posted at

Mar 31, 2026, 4:10 PM

Active

View listing on r/WatchExchange

1970 Omega Seamaster Jumbo “Baby Flightmaster” – Cal. 1002

Omega - 166.090 · $800

A bold 1970 Omega Seamaster Jumbo Ref. 166.090 with a chunky 70s case design and strong wrist presence.

Condition: Recently serviced
Movement: Omega Cal. 1002 automatic
Case size: ~39mm (wears large)
Case material: Gold-plated

Posted at

Mar 31, 2026, 3:07 PM

Active

View listing on r/WatchExchange

Omega Seamaster James Bond No Time To Die 210.90.42.20.01.001 LNIB 2025

Omega - 210.90.42.20.01.001 · $7,900

For sale is a like new Omega NTTD that comes in pristine condition as shown.

Condition: Like New, In Box (LNIB)
Year: 2025

Posted at

Mar 31, 2026, 2:20 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300 Trilogy 23410392001001 – Box / Papers + Extra Straps + Tools

Omega - 234.10.39.20.01.001 · $5,880

The Omega Seamaster 300 Trilogy is a modern reissue of the 1957 original, featuring a perfectly balanced design and contemporary build quality.

Condition: Excellent condition with light signs of wear
Case size: 39mm diameter
Case material: Stainless steel
Dial condition: Brand new condition

Posted at

Mar 31, 2026, 1:59 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M 44mm Chronograph Blue Wave Dial 210.30.44.51.03.001

Omega - 210.30.44.51.03.001 · $6,500

The Omega Seamaster Diver 300M Chronograph has a sporty, bold design with a deep blue ceramic dial and matching blue ceramic bezel. It's powered by the Co-Axial Master Chronometer Caliber 9900, providing serious performance and anti-magnetism.

Condition: Excellent pre-owned condition
Bracelet size: 8 1/4 inches
Case condition: little to no signs of wear
Bezel condition: little to no signs of wear

Posted at

Mar 31, 2026, 12:41 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Planet Ocean GMT Oreo Black White Bezel 215.30.44.22.01.001

OMEGA - 215.30.44.22.01.001 · $6,100

The Omega Planet Ocean 'Oreo' GMT is a sporty, bold watch with a clean black and white ceramic aesthetic. It features a 43.5mm stainless steel case, black ceramic dial, bi-color ceramic bezel, and orange GMT hand.

Condition: Excellent pre-owned condition
Case size: 43.5mm diameter
Water resistance: 600m depth rating
Bracelet size: 7.5 inches length

Posted at

Mar 31, 2026, 12:30 PM

Active

View listing on r/WatchExchange