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 Professional Planet Ocean - 2209.50 - 42mm

Omega Seamaster Professional Planet Ocean - 2209.50 - 42mm

Omega - 2209.50 · $2,995
A classic Omega Seamaster Planet Ocean with a 42mm case, suitable for everyday diving.

  • Condition: pre-owned, great condition with light wear
  • Size: 42mm
  • Case diameter: 42mm
Posted at
May 4, 2026, 12:43 PM
Active
[WTS] Omega Seamaster Aqua Terra 220.10.41.21.06.001 41mm Automatic Grey Dial Full Set

Omega Seamaster Aqua Terra 220.10.41.21.06.001 41mm Automatic Grey Dial Full Set

The Omega Seamaster Aqua Terra Ref. 220.10.41.21.06.001 features a stainless steel case with a grey teak dial, automatic movement, and comes in excellent condition with minimal signs of wear.

  • Condition: very good
  • Movement type: Automatic
  • Bracelet material: stainless steel
  • Case size: 41mm diameter
Posted at
May 4, 2026, 10:23 AM
Active
[WTS] Omega Seamaster Diver 300M 210.22.42.20.03.001 Two-Tone Blue Dial 42mm Automatic Full Set

Omega Seamaster Diver 300M 210.22.42.20.03.001 Two-Tone Blue Dial 42mm Automatic Full Set

This Omega Seamaster Diver 300M is a two-tone stainless steel and yellow gold watch with a blue dial on a matching rubber strap, featuring an automatic movement.

  • Condition: Very good
  • Case size: 42mm
  • Movement type: Automatic
  • Set includes: Original inner box, outer box, papers dated 2022, strap, and other contents
Posted at
May 4, 2026, 10:17 AM
Active
[WTS] 1962 Omega Seamaster ref. 14763 w/ Cal. 562 – serviced May 2026 – 35mm gold-capped case – $1,150

1962 Omega Seamaster ref. 14763 w/ Cal. 562 – serviced May 2026 – 35mm gold-capped case – $1,150

Omega - 14763 · $1,150
A 1962 Omega Seamaster ref. 14763 with a 35mm gold-capped case, powered by an automatic movement. It has been serviced in May 2026 and is running well.

  • Condition: Good condition with some light aging and small spotting on the dial, normal scratches and small dents/dings on the case
  • Case size: 35mm diameter
  • Movement caliber: Omega Cal. 562
  • Crystal type: Original Omega plexi crystal
Posted at
May 4, 2026, 10:00 AM
Active
[WTS] 2021 Omega Seamaster Diver Tokyo 522.30.42.20.04.001 White Wave 42MM

2021 Omega Seamaster Diver Tokyo 522.30.42.20.04.001 White Wave 42MM

The watch is a 2021 Omega Seamaster Diver Tokyo, 42MM in size, with a white wave design.

  • Condition: Mint
  • Box Condition: Inner and outer box show signs of wear
  • Bracelet Links: 11 links
  • Wrist Size Fit: 7.25 inches
Posted at
May 4, 2026, 12:04 AM
Active
[WTS] OMEGA Seamaster 300M Professional No-Date 🔥Excellent 2025 Full Kit

OMEGA Seamaster 300M Professional No-Date 🔥Excellent 2025 Full Kit

This Omega Seamaster 300M Professional No-Date is a new model that was launched last year, featuring a 42mm case and 300m water resistance.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
May 3, 2026, 10:16 PM
Active
[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

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.51, measuring at 42mm with an automatic Omega Calibre 2500 movement. It has a steel case on original Omega steel bracelet and comes in double box, cards, manual, and watch on original bracelet.

  • Condition: Very good condition for its age with minimal marks/hairlines
  • Case size: 42mm diameter
  • Bracelet length: fits up to 7-7.25 inch wrists
  • Movement type: automatic
Posted at
May 3, 2026, 9:00 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,650 - US BASED!

Omega Seamaster Planet Ocean 2201.50 42mm - $2,650 - US BASED!

Omega - 2201.50 · $2,650
Up for sale is my Omega Seamaster Planet Ocean 2201.50 in great condition for its age, measuring at 42mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition, minimal marks/hairlines on case and bracelet
  • Movement: Omega Calibre 2500, automatic
  • Bracelet length: not specified
Posted at
May 3, 2026, 8:52 PM
Active
[WTS] Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega - 2504.50 · $2,490
Up for sale is my Omega Seamaster Aqua Terra 2504.50.00, a great condition automatic watch measuring 36mm.

  • Condition: Great condition with minor patina on dial indices and hands, dust, and handprints
  • Case material: Steel
  • Bracelet material: Original Omega Steel bracelet
  • Crystal type: Sapphire crystal
Posted at
May 3, 2026, 8:37 PM
Active