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.
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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 300 Heritage

Omega Seamaster 300 Heritage

Omega - Seamaster 300 Heritage · $3,500
A one-owner Omega Seamaster 300 Heritage, purchased from the Omega Beverly Center in 2021. The watch has never been polished and is in excellent condition.

  • Condition: like new
  • Owner history: 1 owner
  • Purchase date: 9/3/21
  • Original purchase location: Omega Beverly Center
Posted at
Feb 8, 2026, 4:13 PM
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[WTS] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega - 215.30.46.51.01.001 · $6,750
Up for sale is an Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - a mechanical watch.

  • Condition: Fantastic condition with minor hairlines
  • Case Size: 45.5mm diameter
  • Water Resistance: 600m depth rating
Posted at
Feb 8, 2026, 3:05 PM
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[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,750
Aqua Terra 150m with Calibre 8500 Co-Axial movement, a 38.5mm case size and a 7.25 inch long bracelet.

  • Case size: 38.5mm
  • Bracelet length: 7.25 inches
Posted at
Feb 8, 2026, 1:09 PM
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[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

Omega - 231.10.42.21.03.003 · $3,699
This Omega Seamaster Aqua Terra Master Co-Axial features a blue dial and a 41.5mm case.

  • Case Diameter: 41.5mm
  • Bracelet Length: 7.25"
  • Accepted Payment Methods: Zelle, PayPal, or Western Union
Posted at
Feb 8, 2026, 1:00 PM
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[WTS] Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $7,950

Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $7,950

Omega - 215.30.46.21.04.001 · $7,950
The Omega Seamaster Planet Ocean Ultra Deep is a technically impressive dive watch with a staggering 6,000-meter depth rating and oversized dimensions.

  • Condition: Minty condition, excellent time keeping
  • Case diameter: 45 mm
  • Lug width: 22 mm
  • Water resistance: 600 bar (6000m) - depth rating
Posted at
Feb 8, 2026, 11:07 AM
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[WTS] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

Omega - 210.20.42.20.03.002 · $7,300
This Omega Seamaster SMP300 features a blue dial and Sedna gold case, measuring 42mm in diameter.

  • Condition: Fantastic condition with minor hairlines
  • Case Size: 42mm
  • Material: Sedna Gold
Posted at
Feb 8, 2026, 9:50 AM
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[WTS] Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium – $4,895

Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium – $4,895

Omega - 232.92.42.21.03.001 · $4,895
The Omega Seamaster Planet Ocean 600M is a 42mm titanium watch with 600m water resistance.

Posted at
Feb 8, 2026, 9:09 AM
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[WTS] Omega Seamaster Professional Chronograph 2200.50.00 – Full Set – $3999

Omega Seamaster Professional Chronograph 2200.50.00 – Full Set – $3999

Omega - 2200.50.00 · $3,999
The Omega Seamaster Professional Chronograph is a classic early-2000s tool chronograph combining robust construction with one of Omega's most respected automatic chronograph movements.

  • Condition: Good condition with light wear
  • Case material: Stainless steel
  • Case diameter: 41.5mm
  • Depth rating: 300m
Posted at
Feb 8, 2026, 9:05 AM
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[WTS] OMEGA Seamaster 166.067 Concentric dial, serviced

OMEGA Seamaster 166.067 Concentric dial, serviced

OMEGA - 166.067 · $1,300
This Omega Seamaster Concentric dial features a Cal 565 Automatic movement with 24 jewels and a frequency of 19800 beats per hour, housed in a stainless steel case.

  • Condition: Excellent
  • Case size: 40mm diameter
  • Thickness: 11.5mm
  • Lug width: 18mm
Posted at
Feb 8, 2026, 8:54 AM
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