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

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Omega Seamaster GMT 50th Anniversary 2234.50 - $2,350 - Reserved for u/Old_Communication960

Omega - 2234.50 · $2,350
Up for sale is my great condition Omega Seamaster GMT 2234.50 41mm Automatic, with all functions working well and a steel case on original Omega steel bracelet.

  • Condition: Great condition (8.8/10)
  • Case size: 41mm diameter
  • Water resistance: unknown
  • Crystal material: Sapphire crystal
Posted at
Feb 11, 2026, 9:12 PM
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[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,390

Omega Seamaster Planet Ocean 2201.50 42mm - $2,390

The Omega Seamaster Planet Ocean 2201.50 is a 42mm watch with an automatic movement and features a steel case on original Omega steel bracelet.

  • Condition: Very good condition, minimal marks on the case, caseback, and bracelet.
  • Movement: Automatic Omega Calibre 2500
  • Bracelet size: fits up to 7-7.25 inch wrists depending on wrist shape
  • Case size: 42mm
Posted at
Feb 11, 2026, 9:08 PM
Active
[WTS] Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,790

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Omega - 2220.80 · $2,790
This Omega Seamaster 300M Co-Axial is a 41mm automatic watch featuring an co-axial cal 2500 movement.

  • Condition: Very good condition, minimal marks/hairlines
  • Movement: co-axial cal 2500
  • Bracelet size: fits up to 7-7.25 inch wrists depending on wrist shape
  • Water resistance: not specified
Posted at
Feb 11, 2026, 8:59 PM
Active
[WTS] Omega Seamaster Diver 300M 42mm – Ref. 210.32.42.20.01.001 – Full Kit + NATO

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This is a 2022 Omega Seamaster Diver 300M, featuring a 42mm case size and METAS Certified movement.

  • Condition: Excellent condition
  • Case size: 42mm
  • Movement: Omega Caliber 8800 Master Co-Axial
  • Water resistance: 300m depth rating
Posted at
Feb 11, 2026, 7:55 PM
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[WTS] Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

This Omega Seamaster Aqua Terra is a blue 150m diver's watch featuring a 7.25" bracelet.

  • Bracelet length: 7.25 inches
  • Payment methods: Zelle, Venmo, Western Union
Posted at
Feb 11, 2026, 6:16 PM
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[WTS] Omega Seamaster Planet Ocean 2200.50 - 45.5mm - Price Reduced!

Omega Seamaster Planet Ocean 2200.50 - 45.5mm - Price Reduced!

Omega - 2200.50 · $2,695
This Omega Planet Ocean 2200.50 is a fantastic piece, often associated with James Bond from Casino Royale.

  • Condition: Great, minimal wear
  • Size: 45.5mm diameter
Posted at
Feb 11, 2026, 5:54 PM
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Omega Seamaster Professional 41mm Automatic - Full Size Bond 2531.80 Wave Dial - VERY CLEAN - $3250 shipped CONUS

This Omega Seamaster Professional is a full size Bond model with a 41mm automatic movement and wave dial.

  • Condition: VERY CLEAN
  • Diameter: 41mm
Posted at
Feb 11, 2026, 5:38 PM
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[WTS] Omega Seamaster Black dial 212.30.41.20.01.003 Full Set

Omega Seamaster Black dial 212.30.41.20.01.003 Full Set

a 2017 Omega Seamaster Black Dial, Full Set, with a 41mm diameter.

  • Bracelet type: stainless steel
  • Rubber strap colors: black and white
  • Case diameter: 41mm
Posted at
Feb 11, 2026, 5:15 PM
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[WTS] Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2018 Box and Papers

Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2018 Box and Papers

This Omega Seamaster Aqua Terra is a 38.5MM watch from 2018, featuring the 'Blue Teak' dial.

  • Condition: Excellent Pre-Owned
  • Year: 2018
Posted at
Feb 11, 2026, 4:06 PM
Active