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 Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

Omega - 210.32.42.20.06.001 · $4,295

Up for sale is a Omega Seamaster Diver 300m Grey, a 2023 model that comes in full set including the watch, inner and outer box, card holder, international warranty card, pictograms card, master chronometer card, instructions manual, and hang tag.

Condition: Excellent condition with minimal signs of wear
Case size: 41.5mm diameter
Depth rating: 300m

Posted at

Feb 14, 2026, 12:10 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

Omega - 210.32.42.20.03.001 · $4,395

Up for sale is a Omega Seamaster Diver 300m Blue, a 2022 model with various accessories including inner and outer box, warranty cards, and instructions manual.

Condition: Excellent condition with minimal signs of wear
Year: 2022
Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual, Hang Tag

Posted at

Feb 14, 2026, 12:08 PM

Active

View listing on r/WatchExchange

Omega Seamaster SMP300 Titanium NTTD - 210.90.42.20.01.001 - Full Set

Omega - 210.90.42.20.01.001 · $8,625

An Omega Seamaster SMP300 Titanium NTTD in excellent working order.

Condition: Fantastic condition with minor hairlines on case, clasp, or bracelet
Bracelet material: titanium mesh

Posted at

Feb 14, 2026, 12:04 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

Omega - 220.10.41.21.06.001 · $5,495

This Omega Seamaster Aqua Terra Grey is a 2023 model, featuring a 41mm case.

Condition: Excellent condition with minimal signs of wear
Case Size: 41mm diameter

Posted at

Feb 14, 2026, 12:02 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001

Omega - 233.30.41.21.01.001 · $3,400

An Omega Seamaster 300 Heritage - 41mm Black Dial watch in excellent mechanical working order.

Condition: Fantastic with minor hairlines
Case size: 41mm
Dial color: Black

Posted at

Feb 14, 2026, 11:53 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 36mm 2504.80 Full Set

Omega - 2504.80 · $3,700

Omega Seamaster Aqua Terra 36mm watch in great condition, with a deployant rubber strap from Helvetus.

Condition: Great condition with minor wear
Bracelet condition: minor wear

Posted at

Feb 14, 2026, 11:21 AM

Active

View listing on r/WatchExchange

Omega Seamaster Professional 41mm 300m ref. 2531.80 Automatic full set box and card 2004

Omega - 2531.80 · $3,530

The Omega Seamaster Professional 41mm 300m is a legendary watch with a rich maritime history, designed for racing over oceans and diving. It features a marine blue insert, crimson red tip seconds hand, and is powered by the Omega cal. 1120.

Condition: Visible wear and polish
Case size: 41mm diameter
Depth rating: 300m
Lug width: 20mm

Posted at

Feb 14, 2026, 10:52 AM

Active

View listing on r/WatchExchange