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 Diver 300M 212.30.41.20.03.001 – Blue No-Wave 41mm– Box & Papers - $3499 Shipped

Omega Seamaster Diver 300M 212.30.41.20.03.001 – Blue No-Wave 41mm– Box & Papers - $3499 Shipped

For sale is a 2018 Omega Seamaster Diver 300M with the blue no-wave dial.

  • Condition: Light wear throughout, no dings on case, caseback, or bezel
  • Case diameter: 41mm
  • Water resistance depth rating: 300m
  • Movement type: Co-Axial Calibre 2500
Posted at
Jan 15, 2026, 12:47 AM
Active
[WTS] Omega Seamaster Diver 300M “Seaweed” Green 42mm - 210.30.42.20.10.001 – 2024 – Full Set - $5449 Shipped

Omega Seamaster Diver 300M “Seaweed” Green 42mm - 210.30.42.20.10.001 – 2024 – Full Set - $5449 Shipped

A 2024 Omega Seamaster Diver 300M 'Seaweed' in excellent condition, featuring a green ceramic wave dial and 42mm stainless steel case.

  • Condition: Excellent condition, light handling marks on bracelet only
  • Case size: 42mm diameter
  • Bracelet length: full length steel bracelet
  • Strap included: bonus green rubber strap
Posted at
Jan 15, 2026, 12:42 AM
Active
[WTS] Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

This Omega Seamaster Aqua Terra 150M 'SKYFALL' is a James Bond watch with a blue teak pattern dial, stainless steel case and bracelet. It features an Omega Co-Axial 8500 calibre automatic movement.

  • Condition: Excellent overall condition
  • Case diameter: 38.5mm
  • Movement type: Co-Axial automatic
Posted at
Jan 14, 2026, 10:38 PM
Active
[WTS] Omega Seamaster 166.0266 Tapestry TV Dial 🇨🇭 FREE SHIPPING

Omega Seamaster 166.0266 Tapestry TV Dial 🇨🇭 FREE SHIPPING

Omega - 166.0266 · $679
Up for sale is my vintage Omega Seamaster with a TV/tapestry dial and mechanical automatic movement.

  • Condition: Presentable, patina present
  • Movement Type: Mechanical with hacking and winding
  • Case Size: 34mm diameter
  • Lug To Lug: 37mm
Posted at
Jan 14, 2026, 10:03 PM
Active
2023 Omega Seamaster 300M Seaweed 210.30.42.20.10.001 Full Set [WTS]

2023 Omega Seamaster 300M Seaweed 210.30.42.20.10.001 Full Set

The watch is an Omega Seamaster 300M with a green dial, chronometer, date display, helium escape valve, rotating bezel, and transparent caseback.

  • Condition: really good condition
  • Movement: Omega 8800
  • Power reserve: 55 hours
  • Crystal type: Sapphire crystal
Posted at
Jan 14, 2026, 6:57 PM
Active
2015 Steel Omega Seamaster 300M 212.30.41.20.01.003 [WTS]

2015 Steel Omega Seamaster 300M 212.30.41.20.01.003

2015 Omega Seamaster 300M, black dial on a steel bracelet with features including self-winding mechanical movement and date display.

  • Condition: Good condition
  • Case diameter: 41mm
  • Movement caliber: Omega 2500
  • Power reserve: 48 hours
Posted at
Jan 14, 2026, 6:40 PM
Active
2024 Omega Seamaster 300M 234.30.41.20.01.001 [WTS]

2024 Omega Seamaster 300M 234.30.41.20.01.001

The Omega Seamaster 300M features a black dial, screw-in crown with time zone function, and unidirectional rotating bezel.

  • Condition: excellent condition
  • Case Diameter: 41 MM
  • Dial Color: black
  • Movement: Omega 8912
Posted at
Jan 14, 2026, 6:34 PM
Active
[WTS] Omega Seamaster Ploprof 1200M 224.32.55.21.04.001 White Dial 55mm 2025

Omega Seamaster Ploprof 1200M 224.32.55.21.04.001 White Dial 55mm 2025

This Omega Seamaster Ploprof 1200M features a white dial, fully lumed sapphire capped bezel, and a 55mm stainless steel case. It comes as a full set with two factory straps and a full factory warranty.

  • Condition: Very good pre-owned condition with light wear
  • Case size: 55 x 48mm
  • Diameter: 55mm
  • Water resistance: 1200m
Posted at
Jan 14, 2026, 4:07 PM
Active