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 2514.50 200m/666ft Cal1400 Omegamatic ATQ | Excellent Condition | Movement Serviced | 1200$

Omega Seamaster 2514.50 200m/666ft Cal1400 Omegamatic ATQ | Excellent Condition | Movement Serviced | 1200$

Omega - 2516.50 200m/666ft Cal1400 Omegamatic ATQ · $1,200
A vintage Omega Seamaster model that has been discontinued, featuring a unique two-layer black design with red accents and a smoothly rotating bezel for timing.

  • Condition: Excellent Condition
  • Case Size: 36mm x 10mm
  • Crystal: Sapphire
  • Lug Width: 18.2mm
Posted at
Apr 21, 2026, 11:18 AM
Active
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[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,990

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,990

Omega - 231.10.39.21.01.001 · $2,990
Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001 with an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition for its age
  • Size: 38.5mm diameter
  • Movement: Omega Calibre 8500
  • Case Material: steel
Posted at
Apr 21, 2026, 4:56 AM
Active
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[WTS] Omega Seamaster 2254.50 41mm Peter Blake - $2,990 - Reserved for u/geehanski

Omega Seamaster 2254.50 41mm Peter Blake - $2,990 - Reserved for u/geehanski

Omega - 2254.50 · $2,990
Up for sale is my great condition Omega Seamaster 2254.50 41mm Automatic Peter Blake. The watch has a steel case on original Omega steel bracelet, with sapphire crystal and clean parts.

  • Condition: great condition for its age
  • Case size: 41mm
  • Bracelet material: steel
  • Crystal type: sapphire
Posted at
Apr 21, 2026, 4:25 AM
Active
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[WTS] Omega Seamaster Peter Blake 2264.50 41mm Quartz - $2,190

Omega Seamaster Peter Blake 2264.50 41mm Quartz - $2,190

Omega - 2264.50 · $2,190
Up for sale is a very good condition Omega Seamaster 2264.50 41mm Quartz with Calibre OMEGA 1538 Quartz movement, measuring at 41mm.

  • Condition: Very good condition for its age
  • Movement: Calibre OMEGA 1538 Quartz
  • Case size: 41mm
  • Bracelet type: Original bracelet
Posted at
Apr 21, 2026, 4:21 AM
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[WTS] Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega - 2222.80 · $2,190
Up for sale is my Omega Seamaster 2222.80, a mid-size watch measuring at 36mm with an automatic co-axial cal 2500 movement.

  • Condition: Very good, with minimal marks/hairlines on the case, caseback, and bracelet.
  • Case size: 36mm
  • Movement type: automatic, co-axial cal 2500
  • Bracelet length: fits up to 7-7.25 inch wrists
Posted at
Apr 21, 2026, 4:18 AM
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[WTS] Omega Seamaster Planet Ocean 2201.51 42mm Box and Card - $2,850

Omega Seamaster Planet Ocean 2201.51 42mm Box and Card - $2,850

Omega - 2201.51 · $2,850
The Omega Seamaster Planet Ocean 2201.51 is an automatic watch with a 42mm steel case, on original Omega steel bracelet.

  • Condition: Very good condition, minimal marks/hairlines
  • Case size: 42mm
  • Bracelet length range: 7-7.25 inches
Posted at
Apr 21, 2026, 4:08 AM
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[WTS] Omega Seamaster Railmaster, Grey/Silver, 40mm (full set- box and papers)

Omega Seamaster Railmaster, Grey/Silver, 40mm (full set- box and papers)

Omega - Railmaster · $3,200
A sleek and sporty GADA watch that has a lot to offer under the hood. It's a stealth ultimate tool watch that cleans up nicely.

  • Condition: excellent, pre-owned with minor signs of wear
  • Case size: 40mm
  • Serial number available: true
Posted at
Apr 21, 2026, 12:25 AM
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[WTS] Omega Seamaster Diver 300M 41mm 212.30.41.20.01.002 | 2019 Box and Papers

Omega Seamaster Diver 300M 41mm 212.30.41.20.01.002 | 2019 Box and Papers

Omega - 212.30.41.20.01.002 · $3,450
A 2019 Omega Seamaster Diver 300M in 41mm size, including original box and papers.

  • Condition: Great Pre-Owned with minor defects (crystal chip)
  • Case Size: 41mm
  • Links: 11.5
Posted at
Apr 20, 2026, 9:49 PM
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[WTS] Omega Seamaster PloProf 1200 – Titanium – Full Set – Warranty

Omega Seamaster PloProf 1200 – Titanium – Full Set – Warranty

Omega - 227.90.55.21.99.001 · $8,200
The Omega Seamaster PloProf 1200M features a 55 × 48 mm titanium case, grey dial with bold indices, and an automatic movement with 60 hours of power reserve.

  • Condition: Excellent condition, light wear on the clasp
  • Case size: 55 × 48 mm
  • Bracelet material: Grade 5 titanium mesh bracelet
  • Water resistance: 1200 m / 4000 ft
Posted at
Apr 20, 2026, 6:54 PM
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