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

[WTS] Omega Seamaster 166.0126 - $750

Omega Seamaster 166.0126 - $750

Omega - 166.0126 · $750
Up for sale is my Omega Seamaster 166.0126 in great condition, measuring 35mm with an automatic movement.

  • Condition: Very good condition, some hairlines and marks on the case and caseback
  • Case size: 35mm diameter
  • Movement type: automatic
Posted at
Mar 11, 2026, 9:20 PM
Active
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[WTS] Omega Seamaster 300m James Bond 41mm Automatic 2531.80

Omega Seamaster 300m James Bond 41mm Automatic 2531.80

Omega - 2531.80
  • Material: stainless steel
  • Size: 41mm diameter
Posted at
Mar 11, 2026, 7:54 PM
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[WTS] Omega Seamaster 41mm Black Dial (Ref. 234.30.41.21.01.001) 4400USD

Omega Seamaster 41mm Black Dial (Ref. 234.30.41.21.01.001) 4400USD

Omega - 234.30.41.21.01.001 · $4,400
This listing is for a Omega Seamaster with a black dial and 41mm case size.

  • Diameter: 41mm
Posted at
Mar 11, 2026, 7:53 PM
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[WTS] Omega Seamaster Professional “Black Wave” 36mm - 212.30.36.20.01.001

Omega Seamaster Professional “Black Wave” 36mm - 212.30.36.20.01.001

Omega - 212.30.36.20.01.001 · $2,650
The Omega Seamaster Professional 'Black Wave' is a diver's watch featuring a 36mm size and model number 212.30.36.20.01.001, characterized by its unique Black Wave dial.

  • Condition: Great overall pre-owned condition with normal wear throughout
  • Size: 36mm diameter
  • Bracelet size range: fits up to approximately 7 inches wrist
Posted at
Mar 11, 2026, 2:51 PM
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[WTS] Omega Seamaster Professional - 41mm Black Wave - 212.30.41.20.01.002 - Clean!

Omega Seamaster Professional - 41mm Black Wave - 212.30.41.20.01.002 - Clean!

Omega - 212.30.41.20.01.002 · $2,850
A 41mm Omega Seamaster Professional in excellent condition, featuring a black wave dial.

  • Condition: pre-owned with minor wear
  • Case Size: 41mm diameter
Posted at
Mar 11, 2026, 2:13 PM
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[WTS] Omega Seamaster Professional 2531.80 – Iconic Bond Automatic – Full Kit $2,650

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
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[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
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