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

Reference 511.13.40.20.06.002

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.
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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
60

Current Listings

[WTS] Omega Seamaster Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

Omega Seamaster Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $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
[WTS] Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $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
[WTS] Omega Seamaster SMP300 Titanium NTTD - 210.90.42.20.01.001 - Full Set

Omega Seamaster SMP300 Titanium NTTD - 210.90.42.20.01.001 - Full Set

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

Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $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
[WTS] Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001

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

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
[WTS] Omega Seamaster Aqua Terra 36mm 2504.80 Full Set

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

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
[WTS] 20mm Omega Seamaster SMP300 Black Rubber Strap + Clasp - Medium

20mm Omega Seamaster SMP300 Black Rubber Strap + Clasp - Medium

Omega - CVZ0152752 · $450
This is a black rubber strap with an 18mm Omega clasp for the Seamaster SMP300.

  • Material: black rubber strap
  • Strap Size: 20mm
  • Clasp Ref: 94521883
Posted at
Feb 14, 2026, 4:25 AM
Active
[WTS] Omega Seamaster Diver 300M James Bond 210.30.42.20.03.002 Full Set

Omega Seamaster Diver 300M James Bond 210.30.42.20.03.002 Full Set

A modern classic Omega Seamaster Diver 300M ‘James Bond’ with a blue wave-dial and a 42mm stainless steel case, built around Omega’s dive heritage.

  • Condition: Good with minor wear
  • Case Size: 42mm diameter
  • Case Material: stainless steel
  • Bezel Type: blue ceramic dive bezel
Posted at
Feb 14, 2026, 1:01 AM
Active