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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The Omega Seamaster Diver 300M is a modern execution of the iconic professional dive watch, featuring a refreshed design with a 42mm stainless steel case and black dial.

  • Condition: Unworn
  • Movement: Omega Co-Axial Master Chronometer automatic movement
  • Water resistance: 300 meters
  • Case size: 42mm
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Feb 4, 2026, 2:42 PM
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Omega - 2209.50 · $2,695
A Omega Seamaster Planet Ocean watch ref: 2209.50, in a 42mm case size with orange bezel, available for sale.

  • Condition: Pre-owned with wear and vintage aesthetic
  • Case Size: 42mm
  • Bezel Color: orange
Posted at
Feb 4, 2026, 1:29 PM
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[WTS] Omega Seamaster Professional Blue Dial - 212.30.36.20.03.001 - 36mm

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Additional Details: Omega Seamaster Diver 300M Blue Dial (No Wave) Model: 212.30.36.20.03.001 - This is a watch-only example in great condition.

Posted at
Feb 4, 2026, 1:24 PM
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[WTS] Omega Seamaster 300 2220.80 “Casino Royale”Box and Papers

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Omega - 2220.80 · $3,600
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  • Condition: Good condition with scuffing on bracelet and superficial wear
  • Bracelet length: 6.5 inches
  • Links included: 3 full and 2 half sized links
  • Timekeeping accuracy: -7 seconds per day
Posted at
Feb 4, 2026, 12:48 PM
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[WTS] Omega Seamaster SMP300 - Black Dial - 42mm - 210.32.42.20.01.001 - Full Set

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  • Condition: Fantastic condition with minor hairlines
  • Case Size: 42mm diameter
Posted at
Feb 4, 2026, 8:10 AM
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[WTS] Omega Seamaster 2531.80 41mm Bond Box and Card - $2,500- Reserved post for u/CC-1945

Omega Seamaster 2531.80 41mm Bond Box and Card - $2,500- Reserved post for u/CC-1945

Omega - 2531.80 · $2,500
Up for sale is my Omega Seamaster 2531.80 in very good condition, measuring at 41mm with an Omega Caliber 1120 self-winding movement.

  • Condition: very good condition
  • Case diameter: 41mm
  • Movement type: self-winding
Posted at
Feb 4, 2026, 3:30 AM
Active
[WTS] Omega Seamaster 2531.80 41mm Bond Box and Papers - $2,600 - Reserved for u/PrecisionMatters

Omega Seamaster 2531.80 41mm Bond Box and Papers - $2,600 - Reserved for u/PrecisionMatters

Omega - 2531.80 · $2,600
Up for sale is my Omega Seamaster 2531.80, a 41mm watch with an Omega Caliber 1120 self-winding movement.

  • Condition: Very good condition
  • Case Size: 41mm
  • Movement: Omega Caliber 1120 self-winding
  • Bracelet Length: fits up to 7-7.25 inch wrists
Posted at
Feb 4, 2026, 2:38 AM
Active
[WTS] Omega Seamaster 300 ref. 166024, serviced, unpolished case. Very nice condition. Nice creamy lume, no trades. $5750 shipped conus

Omega Seamaster 300 ref. 166024, serviced, unpolished case. Very nice condition. Nice creamy lume, no trades. $5750 shipped conus

Omega - 166024 · $5,750
This Omega Seamaster 300 is in excellent condition with a serviced movement and an unpolished case. It features creamy lume.

  • Condition: Very nice condition
  • Lume color: creamy
Posted at
Feb 3, 2026, 10:13 PM
Active
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Additional Details:

Posted at
Feb 3, 2026, 9:46 PM
Active