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.
Buy Now on Jomashop
This is an affiliate link

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 36mm 2236.50 — 18K White Gold Bezel, Sleeper Deal

Omega Seamaster 36mm 2236.50 — 18K White Gold Bezel, Sleeper Deal

Omega - 2236.50 · $1,900
This Omega Seamaster Professional 300M features a black wave dial, solid 18K white gold bezel insert, and helium escape valve in a compact 36mm case.

  • Condition: great overall with light wear
  • Case diameter: 36.25mm
  • Lug to lug: 44mm
  • Thickness: 11.5mm
Posted at
May 8, 2026, 8:55 PM
Active
[WTS] Omega Seamaster Date 196.0283 Stripped Golden Dial Cal1430 Men Watch $299

Omega Seamaster Date 196.0283 Stripped Golden Dial Cal1430 Men Watch $299

Omega - 196.0283 · $299
This Omega Seamaster Date is a men's watch featuring a golden dial and a gold-plated stainless steel case.

  • Condition: Preowned with some wear, dial patina, scratches and marks
  • Movement: Quartz Cal1430
  • Case material: Gold Plated Stainless steel
  • Case width: 30mm (without crown)
Posted at
May 8, 2026, 8:45 PM
Active
[WTS] Omega Seamaster Aqua Terra Limited Edition James Bond 007 Spectre 1 of 15,007 Full Collector set Box & Papers

Omega Seamaster Aqua Terra Limited Edition James Bond 007 Spectre 1 of 15,007 Full Collector set Box & Papers

The Omega Seamaster Aqua Terra Limited Edition James Bond 007 Spectre is a unique timepiece with a signature Blue Spectre dial and stainless steel bracelet, part of a limited production run of 15,007 worldwide.

  • Condition: Excellent
  • Case Size: 41.5mm
  • Depth Rating: 150m
  • Production Run: 15,007 units
Posted at
May 8, 2026, 8:36 PM
Active
[WTS] Omega OEM Seaweed Green Rubber Strap – 20mm – Seamaster Professional - SMP 300M (42mm) On Aftermarket Clasp - $200 shipped

Omega OEM Seaweed Green Rubber Strap – 20mm – Seamaster Professional - SMP 300M (42mm) On Aftermarket Clasp - $200 shipped

Omega · $200
This is an OEM Seaweed Green rubber strap for the Seamaster Professional 300M (42mm) watch.

  • Material: rubber
  • Color: Seaweed Green
  • Width: 20mm
Posted at
May 8, 2026, 8:06 PM
Active
[WTS] 2024 Omega Seamaster Diver 300 | Black Dial Rubber Strap

2024 Omega Seamaster Diver 300 | Black Dial Rubber Strap

A 2024 Omega Seamaster Diver 300, featuring a black dial, uni-directional ceramic bezel, and Omega Co-Axial automatic movement. It has a water resistance of 300m.

  • Condition: Extremely Clean and taken care of
  • Case diameter: 42 mm
  • Bezel type: uni-directional ceramic
  • Dial description: black with luminous indexes and hands
Posted at
May 8, 2026, 8:00 PM
Active
[WTS] Omega OEM Seaweed Green Rubber Strap & Buckle – 20mm – Seamaster Professional - SMP 300M (42mm) $225 shipped

Omega OEM Seaweed Green Rubber Strap & Buckle – 20mm – Seamaster Professional - SMP 300M (42mm) $225 shipped

Omega · $225
Authentic Omega OEM Seaweed Green rubber strap for the Seamaster Professional 300M, designed for a 42mm case.

  • Condition: Authentic
  • Color: Seaweed Green
  • Width: 20mm
  • Fitment: Seamaster Professional 300M – 42mm case
Posted at
May 8, 2026, 7:57 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,000🔥 [PRICED TO SELL]

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,000🔥 [PRICED TO SELL]

The OMEGA Seamaster Planet Ocean 600M is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering, with a black dial, orange accents, and date window at 3 o'clock. It's built for adventure, water-resistant up to 600 meters (2000 feet), and features a helium escape valve.

  • Condition: VERY GOOD with few superficial scratches on case
  • Movement: Co-Axial Caliber 8500
  • Water resistance: 600m (2000ft)
  • Depth rating: 600m depth rating
Posted at
May 8, 2026, 7:32 PM
Active
[WTS] OMEGA Seamaster Bullhead Co-Axial Chronograph Ref. 225.12.43.50.01.001 - ULTIMATE SET! 🔥$7,250🔥 [PRICED TO SELL]

OMEGA Seamaster Bullhead Co-Axial Chronograph Ref. 225.12.43.50.01.001 - ULTIMATE SET! 🔥$7,250🔥 [PRICED TO SELL]

The OMEGA Seamaster Bullhead Ref. 225.12.43.50.01.001 is a cult classic reborn, paying tribute to the iconic 1969 original. Its distinctive shield-shaped case and unique configuration—with the crown and chronograph pushers at 12 o'clock—earn it the "Bullhead" nickname.

  • Condition: UNWORN
  • Case Size: 43mm
  • Movement: Co-Axial Calibre 3113 automatic
Posted at
May 8, 2026, 7:30 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$7,750🔥 [PRICED TO SELL]

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$7,750🔥 [PRICED TO SELL]

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.

  • Condition: VERY GOOD, Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet size: ~7"
  • Movement: Master Chronometer Calibre 8938
Posted at
May 8, 2026, 7:27 PM
Active