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

This Omega Seamaster Diver 300m Grey is a 2023 model featuring a sleek design and precise timekeeping.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual, Hang Tag
  • Shipping: Fully insured through Fedex in the USA
Posted at
Feb 10, 2026, 9:38 AM
Active
[WTS] Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

A 2022 Omega Seamaster Diver 300M Blue is up for sale, featuring a blue dial and a stainless steel case.

  • 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
Posted at
Feb 10, 2026, 9:35 AM
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

A 2022 Omega Seamaster Diver 300M Blue, featuring a blue dial and a stainless steel case.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Shipping Insurance: Fully insured
Posted at
Feb 10, 2026, 9:31 AM
Active
[WTS] Omega Seamaster SMP300 Black Rubber Strap + Deployment Clasp - Medium - 20mm - 032CVZ015752 + 9452.18.83

Omega Seamaster SMP300 Black Rubber Strap + Deployment Clasp - Medium - 20mm - 032CVZ015752 + 9452.18.83

This Omega Seamaster SMP300 features a black rubber strap with a deployment clasp and two spring bars.

  • Condition: Fantastic condition
  • Strap width: 20mm
  • Clasp type: Deployment Clasp
Posted at
Feb 10, 2026, 9:25 AM
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

Up for sale is a Omega Seamaster Aqua Terra Grey, a **Reference**: 220.10.41.21.06.001 from the year 2023.

  • Condition: Excellent condition with minimal signs of wear
  • Case Size: 41mm
  • Water Resistance: 30m
Posted at
Feb 10, 2026, 9:19 AM
Active
[WTS] Omega Seamaster Cosmic – $625 Shipped

Omega Seamaster Cosmic – $625 Shipped

Up for sale is a vintage Swiss-made Omega Seamaster Cosmic powered by a manual wind movement, housed in an approximately 35 × 38mm stainless steel case, and featuring a date complication. The watch shows consistent wear adding to its authentic vintage appeal.

  • Condition: Pre-owned, shows signs of wear consistent with its age
  • Case Size: 35 × 38mm
  • Movement Type: Manual wind
Posted at
Feb 10, 2026, 8:35 AM
Active
[WTS] Omega Seamaster Professional 300M – Ref. 210.32.42.20.03.001 2022 | Full Set | Rubber deployment clasp + UncleStraps Bracelet

Omega Seamaster Professional 300M – Ref. 210.32.42.20.03.001 2022 | Full Set | Rubber deployment clasp + UncleStraps Bracelet

A 2022 Omega Seamaster Professional 300M is being sold as a full set, including a rubber deployment clasp upgrade and paired with an Uncle Straps US1479 bracelet.

  • Condition: Excellent, with some minor marks of use
  • Year: 2022
  • Bracelet: Uncle Straps US1479
  • Price (bracelet): 110 EUR
Posted at
Feb 10, 2026, 8:24 AM
Active
[WTS] Omega Seamaster 166.0279 With Original Bracelet (Serviced) only for 699$ Shipped🚢

Omega Seamaster 166.0279 With Original Bracelet (Serviced) only for 699$ Shipped🚢

Omega - 166.0279 · $699
A 1984 Omega Seamaster reference 166.0279 featuring a stainless steel case with a 34mm diameter.

  • Condition: good with some hairline scratches and aging on dial
  • Case size: 34mm diameter
  • Bracelet length: 7.2 inches
  • Movement: calibre 1020 (automatic)
Posted at
Feb 10, 2026, 7:47 AM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

A Omega Seamaster Aqua Terra Master Co-Axial in blue, featuring a 41.5mm case and 7.25 inch bracelet.

  • Case Diameter: 41.5mm
  • Bracelet Length: 7.25"
Posted at
Feb 9, 2026, 9:28 PM
Active