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 Quartz — Ref. ST 196.0082 — 1977 — Cal. 1345 — Day/Date — $449 + $11 shipping CONUS

Omega Seamaster Quartz — Ref. ST 196.0082 — 1977 — Cal. 1345 — Day/Date — $449 + $11 shipping CONUS

Omega - ST 196.0082 · $449
This 1977 Omega Seamaster Quartz features a stainless steel case, in-house quartz movement, and day/date functionality.

  • Condition: Running perfectly
  • Case size without crown: 35.5mm
  • Water resistance: 3 BAR
  • Movement frequency: 32,768 Hz
Posted at
Apr 24, 2026, 10:11 PM
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[WTS] 1963 Omega Seamaster Cap-Gold Ref.166.010 Gilt Dial | Great Condition (Serviced) | $2250

1963 Omega Seamaster Cap-Gold Ref.166.010 Gilt Dial | Great Condition (Serviced) | $2250

Omega - 166.010 · $2,310
  • Condition: Great original condition (serviced)
  • Case size: 35mm
  • Material: Gold-capped case over stainless steel
  • Movement type: Automatic calibre 562
Posted at
Apr 24, 2026, 9:26 PM
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[WTS] OMEGA Seamaster Diver 300M 210.32.42.20.03.001 Blue Wave Dial Full Set

OMEGA Seamaster Diver 300M 210.32.42.20.03.001 Blue Wave Dial Full Set

OMEGA - 210.32.42.20.03.001 · $4,299
This OMEGA Seamaster Diver 300M features a 42mm stainless steel case, blue ceramic wave dial, and matching blue bezel. Powered by Omega’s Co-Axial Master Chronometer caliber 8800, it offers everyday wearability and technical performance.

  • Condition: Excellent pre-owned condition
  • Case size: 42mm diameter
  • Movement: Co-Axial Master Chronometer caliber 8800
Posted at
Apr 24, 2026, 8:25 PM
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[WTS] Omega Seamaster 36mm Ref 2236.50 $2,200

Omega Seamaster 36mm Ref 2236.50 $2,200

Omega - 2236.50 · $2,200
A 36mm Omega Seamaster Professional featuring a black wave dial, solid 18K white gold bezel insert, and classic SMP design.

  • Condition: Great overall with light wear
  • Case diameter: 36.25mm
  • Lug to lug length: 44mm
  • Thickness: 11.5mm
Posted at
Apr 24, 2026, 8:16 PM
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[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA - 232.32.42.21.01.003 · $4,150
The OMEGA Seamaster Planet Ocean 600M is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering, featuring a 42mm stainless steel case, Co-Axial Caliber 8500 movement, black dial with orange accents and date window at 3 o'clock, water-resistant up to 600 meters (2000 feet), and helium escape valve.

  • Condition: VERY GOOD, with few superficial scratches on case.
  • Case size: 42mm diameter
  • Water resistance: 600m depth rating
  • Movement: Co-Axial Caliber 8500
Posted at
Apr 24, 2026, 6:19 PM
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[WTS] OMEGA Seamaster Bullhead Co-Axial Chronograph Ref. 225.12.43.50.01.001 - ULTIMATE SET! 🔥$10,000🔥

OMEGA Seamaster Bullhead Co-Axial Chronograph Ref. 225.12.43.50.01.001 - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 225.12.43.50.01.001 · $10,000
The OMEGA Seamaster Bullhead Co-Axial Chronograph is a cult classic reborn, paying tribute to the iconic 1969 original. It features a distinctive shield-shaped case and unique configuration with the crown and chronograph pushers at 12 o'clock.

  • Condition: UNWORN
  • Case material: stainless steel
  • Diameter: 43mm
  • Movement: Co-Axial Calibre 3113 automatic
Posted at
Apr 24, 2026, 6:17 PM
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[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA - 220.10.43.22.03.002 · $9,600
The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial that captures the essence of a perfect day at sea.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet size: ~7"
  • Contents: ULTIMATE SET - Includes box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt
Posted at
Apr 24, 2026, 6:15 PM
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[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA - 220.10.38.20.13.003 · $6,100
The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, symmetrical case design, and is powered by the Co-Axial Master Chronometer Calibre 8800.

  • Condition: UNWORN
  • Bracelet size: ~7"
  • Contents: ULTIMATE SET (includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt)
  • Case dimensions: 38mm
Posted at
Apr 24, 2026, 6:12 PM
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[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

OMEGA - 522.21.42.20.04.001 · $7,900
A luxurious tribute to sporting excellence, combining stainless steel with OMEGA's exclusive 18K Moonshine Gold.

  • Condition: UNWORN
  • Case size: 42mm
  • Water resistance: 300m
  • Movement: Calibre 8800 Master Chronometer
Posted at
Apr 24, 2026, 6:11 PM
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