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

Reference 511.13.40.20.11.001

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 SMP 42mm bracelet

Omega Seamaster SMP 42mm bracelet

Omega - SMP · $425
A used Omega Seamaster SMP with a 42mm bracelet that fits the watch well.

  • Condition: Good
  • Bracelet condition: Really good overall
  • Bracelet size: 42mm
  • Links included: All
Posted at
Apr 15, 2026, 11:46 AM
Active
[WTS] Omega Seamaster "Peter Blake" 2264.50 41mm

Omega Seamaster "Peter Blake" 2264.50 41mm

Omega - 2264.50 · $2,250
This Omega Seamaster 'Peter Blake' reference 2264.50 is a well-maintained watch with great functionality.

  • Condition: great condition with very light wear
  • Case size: 41mm
Posted at
Apr 15, 2026, 11:00 AM
Active
[WTS] Omega Seamaster Bond 2561.80 36mm

Omega Seamaster Bond 2561.80 36mm

Omega - 2561.80 · $1,750
This Omega Seamaster Bond is a 36mm watch in good condition with some signs of wear.

  • Condition: good condition with some decent wear and patina on the dial
  • Payment Methods Accepted: pretty much every payment method including crypto with a small fee
  • Trade Eligible Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Apr 15, 2026, 10:49 AM
Active
[WTS] Omega Seamaster 2230.50 WHITE GOLD BEZEL

Omega Seamaster 2230.50 WHITE GOLD BEZEL

Omega - 2230.50 · $2,650
For sale is an Omega Seamaster 2230.50 with the white gold bezel, watch is in great condition.

  • Condition: great condition with some wear around the watch
  • Bezel material: white gold
Posted at
Apr 15, 2026, 10:44 AM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm  - $3,250

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,250

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001.

  • Condition: Very good condition for its age, minimal marks/hairlines on case, caseback, and bracelet
  • Movement: Automatic Omega Calibre 8500
  • Case size: 38.5mm
  • Bracelet material: Steel
Posted at
Apr 15, 2026, 4:35 AM
Active
[WTS] Omega Seamaster Planet Ocean 2201.51 42mm Box and Card S - $2,950

Omega Seamaster Planet Ocean 2201.51 42mm Box and Card S - $2,950

Omega - 2201.51 · $2,950
Up for sale is my great condition Omega Seamaster Planet Ocean 2201.51, measuring at 42mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition for its age
  • Case size: 42mm diameter
  • Water resistance: 200m depth rating
  • Bracelet length: up to 7-7.25 inch wrists
Posted at
Apr 15, 2026, 4:32 AM
Active
[wts] 1958 Omega Seamaster Ref. 2846 w/ Cal 501 — Large Hippocampus Caseback — $999 OBO + label

1958 Omega Seamaster Ref. 2846 w/ Cal 501 — Large Hippocampus Caseback — $999 OBO + label

Omega - 2846 · $999
a 1958 Omega Seamaster Ref 2846 with Cal 501 automatic movement, large hippocampus caseback, and original silver sunburst dial, on an aftermarket black snakeskin strap.

  • Condition: Good condition considering the age
  • Case diameter: 34.5mm
  • Movement type: Automatic (Cal 501)
  • Dial description: Original silver sunburst
Posted at
Apr 14, 2026, 9:14 PM
Active
1967 Omega Seamaster 35mm Vintage Chronograph 321 Movement 105.005 Grains of Rice

1967 Omega Seamaster 35mm Vintage Chronograph 321 Movement 105.005 Grains of Rice

Omega - 105.005 · $7,500
A 1967 Omega Seamaster Chronograph with the legendary 321 movement, featuring a 'grains of rice' OEM Omega bracelet and tritium luminescence.

  • Condition: Fantastic shape cosmetically and mechanically
  • Movement: 321
  • Bracelet type: 'Grains of rice'
  • Case material:
Posted at
Apr 8, 2025, 1:27 PM
Active

(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.

  • Status: (SOLD)
Posted at
Apr 7, 2025, 10:22 AM
Active