Omega Seamaster Seamaster Master Co-Axial 39.5 Hong Kong Edition Stainless Steel / Red / Alligator

Reference 511.13.40.20.11.001

Omega Seamaster Master Co-Axial 39.5 Hong Kong Edition Stainless Steel / Red / Alligator

About this watch

The Omega Seamaster Master Co-Axial 39.5 Hong Kong Edition is a masterpiece of horological innovation. This stunning timepiece boasts a vibrant red dial, paired with an elegant alligator leather strap and a durable stainless steel case. The Omega Caliber 8800 self-winding movement is a marvel of engineering, featuring a Co-Axial escapement that reduces friction and enhances accuracy. Certified as a Master Chronometer by METAS, this watch is resistant to magnetic fields up to 15,000 gauss. With a power reserve of 55 hours and water resistance of 60 meters, it's perfect for everyday wear and special occasions. The limited production run of only 399 units makes it a highly sought-after collector's piece.
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Key Features

  • Self-winding Omega Caliber 8800 movement
  • Co-Axial escapement for improved accuracy
  • Master Chronometer certification by METAS
  • Water resistance up to 60 meters
  • Power reserve of 55 hours
  • Stainless steel case with durable design
  • Scratch-resistant sapphire crystal
  • Elegant alligator leather strap

Specifications

Brand
Omega
Family
Seamaster
Model
Seamaster Master Co-Axial 39.5 Hong Kong Edition Stainless Steel / Red / Alligator
Reference
511.13.40.20.11.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 39.5mm
Dial Color
Red
Crystal
Sapphire
Water Resistance
60

Current Listings

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Omega Seamaster Professional 2531.80 – Iconic Bond Automatic – Full Kit $2,650

Omega - 2531.80 · $2,650
This Omega Seamaster Professional 2531.80 is a Bond-approved watch featuring a slimmer case profile than newer models.

  • Condition: full kit, all original
  • Case size: 37mm
  • Water resistance: 300m
Posted at
Mar 11, 2026, 1:53 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Diver 300M Pro – Black – OEM Mesh Strap – Full Set with Original Receipt – $3200 – Shipped

Omega Seamaster Diver 300M Pro – Black – OEM Mesh Strap – Full Set with Original Receipt – $3200 – Shipped

Omega - Seamaster Diver 300M Pro · $3,200
Omega Seamaster 300m professional in black, stainless steel mesh bracelet, purchased brand new from the boutique, comes as a full set.

  • Condition: great condition with minor wear
  • Bracelet material: stainless steel
  • Bracelet type: mesh
Posted at
Mar 10, 2026, 9:37 PM
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[WTS] Omega Seamaster Aqua Terra 2577.50 Ladies - $1,500 - Reserved post for u/gvongies

Omega Seamaster Aqua Terra 2577.50 Ladies - $1,500 - Reserved post for u/gvongies

Omega - 2577.50 · $1,500
Up for sale is my Omega Seamaster Aqua Terra 2577.50, a ladies watch with an automatic movement and 29mm diameter.

  • Condition: Very good condition (8.8/10)
  • Case material: steel
  • Bracelet material: Omega steel
  • Movement type: automatic
Posted at
Mar 10, 2026, 9:14 PM
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[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,700 - Reserved post for u/whitekimchee

Omega Seamaster Planet Ocean 2201.50 42mm - $2,700 - Reserved post for u/whitekimchee

Omega - 2201.50 · $2,700
Up for sale is my Omega Seamaster Planet Ocean 2201.50, a 42mm automatic watch with an Omega Calibre 2500 movement.

  • Condition: very good condition with minimal marks/hairlines
  • Movement: Omega Calibre 2500
  • Bracelet length: unknown
  • Shipping cost: Fedex Priority Shipping from the Philippines with possible additional tariffs for USA buyers
Posted at
Mar 10, 2026, 9:12 PM
Active
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[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,700 - Reserved post for u/Impossible_Air725

Omega Seamaster Planet Ocean 2201.50 42mm - $2,700 - Reserved post for u/Impossible_Air725

Omega - 2201.50 · $2,700
Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, featuring an automatic Omega Calibre 2500 movement and measuring at 42mm.

  • Condition: Very good condition for its age, minimal marks/hairlines on case and bracelet
  • Movement: Omega Calibre 2500
  • Case material: Steel
  • Bracelet type: Original Omega steel bracelet
Posted at
Mar 10, 2026, 9:10 PM
Active
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[WTS] Omega Seamaster 2254.50 41mm Automatic Peter Blake - $2,890 - Reserved post for u/blacksailsunset

Omega Seamaster 2254.50 41mm Automatic Peter Blake - $2,890 - Reserved post for u/blacksailsunset

Omega - 2254.50 · $2,890
Up for sale is my great condition Omega Seamaster 2254.50 41mm Automatic Peter Blake, a steel case watch on original Omega steel bracelet.

  • Condition: great condition with minimal hairlines/marks on case, caseback and bracelet
  • Case size: 41mm diameter
  • Movement rating: COSC specs
Posted at
Mar 10, 2026, 9:09 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 2504.50.00 - $2,500 - Reserved post for u/gvongies

Omega Seamaster Aqua Terra 2504.50.00 - $2,500 - Reserved post for u/gvongies

Omega - Aqua Terra 2504.50.00 · $2,500
Up for sale is my Omega Seamaster Aqua Terra 2504.50.00, which measures 36mm and has an automatic movement.

  • Condition: very good condition
  • Case material: steel case
  • Bracelet type: original Omega Steel bracelet
  • Water resistance: not specified
Posted at
Mar 10, 2026, 9:06 PM
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[WTS] Omega Seamaster Planet Ocean GoodPlanet Blue Dial 43.5mm 232.30.44.22.03.001

Omega Seamaster Planet Ocean GoodPlanet Blue Dial 43.5mm 232.30.44.22.03.001

Omega - 232.30.44.22.03.001 · $5,100
The Omega Seamaster Planet Ocean GMT features a bold stainless steel case, rich blue dial, and matching ceramic bezel with true GMT functionality.

  • Condition: Excellent pre-owned condition
  • Case Size: 44mm
  • Bracelet Size: 7.5 inches
  • Water Resistance Depth: 600m
Posted at
Mar 10, 2026, 8:04 PM
Active
View listing on r/WatchExchange
[WTS] Omega SeaMaster Professional 300M Diver

Omega SeaMaster Professional 300M Diver

Omega - 300M Diver · $4,250
This Omega Seamaster Professional 300M is a brand new purchase from a local AD in 2023. The watch has been worn lovingly but shows minor signs of use.

  • Condition: Pre-owned (lovingly worn)
  • Depth rating: 300m
  • Crystal condition: flawless
  • Bezel insert material: ceramic
Posted at
Mar 10, 2026, 6:48 PM
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