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.
Buy Now on Jomashop
This is an affiliate link

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 Aqua Terra 150M Co-Axial. 220.10.41.21.10.001, 41 mm. Box, Papers.

Omega Seamaster Aqua Terra 150M Co-Axial. 220.10.41.21.10.001, 41 mm. Box, Papers.

A Omega Seamaster Aqua Terra 150M Co-Axial with a 41mm diameter and 150m water resistance is being sold. The watch comes in its original box along with papers.

  • Case size: 41 mm
  • Box and papers included: true
Posted at
May 9, 2026, 4:46 PM
Active
[WTS] Omega Seamaster Professional. 41mm. Automatic. Strong lume..

Omega Seamaster Professional. 41mm. Automatic. Strong lume..

A 41mm automatic Omega Seamaster Professional for sale with strong lume.

  • Size: 41mm diameter
  • Movement: automatic
Posted at
May 9, 2026, 3:29 PM
Active
[WTS] Omega Seamaster Calendar

Omega Seamaster Calendar

A vintage Omega Seamaster Calendar with a cream dial and gold accents. It features an automatic movement with a 40 power reserve and is housed in a 36mm x 12mm case.

  • Condition: G, good condition for a 50+ year old watch with marks on the acrylic crystal
  • Case dimensions: 36mm x 12mm case, 42mm lug to lug
  • Lug width: 18mm
  • Movement: Caliber 503 automatic movement
Posted at
May 9, 2026, 3:11 PM
Active
[WTS] Omega Seamaster Professional 300m Automatic 2531.80.00 /2200€

Omega Seamaster Professional 300m Automatic 2531.80.00 /2200€

Omega - 2531.80.00 · $2,200
The Omega Seamaster Professional 300m Automatic is a well-maintained automatic watch with a stainless steel case.

  • Condition: good for its age
  • Shipping: worldwide
Posted at
May 9, 2026, 2:29 PM
Active
[WTS] Omega Seamaster Diver 300M 🚨STEAL🚨

Omega Seamaster Diver 300M 🚨STEAL🚨

Omega - Diver 300M · $3,400
Up for sale is my Omega Seamaster Diver 300M in the gray dial/blue bezel configuration, coming on a blue OEM rubber strap and including box, extra black rubber strap, certificate of authenticity, and insured shipping.

  • Condition: like new
  • Case condition: near-mint
  • Strap type: rubber
  • Additional straps: 1 black non-OEM, 1 blue OEM
Posted at
May 9, 2026, 2:01 PM
Active
[WTS] Omega Seamaster Professional. Cards included. 210.30.42.20.06.001.

Omega Seamaster Professional. Cards included. 210.30.42.20.06.001.

For sale is an Omega Seamaster Professional, a watch that offers reliability and style.

  • Cards included: true
  • Location: NJ USA
Posted at
May 9, 2026, 12:55 PM
Active
[WTS] Omega Seamaster 300 Heritage 234.30.41.21.01.001

Omega Seamaster 300 Heritage 234.30.41.21.01.001

A Omega Seamaster 300 Heritage in good condition, complete with box and manual.

  • Case size: 41mm diameter
  • Shipping: Fedex with insurance
Posted at
May 9, 2026, 12:36 PM
Active
[WTS] 1960 Omega Seamaster 14701-2 SC on Rare 7077 Flatlink Bracelet from Q4 1960 - Freshly Serviced - Price Adjusted

1960 Omega Seamaster 14701-2 SC on Rare 7077 Flatlink Bracelet from Q4 1960 - Freshly Serviced - Price Adjusted

Omega - 14701-2 SC · $1,700
Up for sale is a 1960 Omega Seamaster reference 14701-2 SC. The true highlight of this piece is the bracelet, which comes mounted on its original, incredibly rare Omega 7077 Flatlink.

  • Condition: Pre-owned with honest scratches and wear
  • Movement: Automatic Caliber 562
  • Case size: 34mm
  • Diameter: without crown
Posted at
May 9, 2026, 12:34 PM
Active
[WTS] Omega Seamaster Day/Date Cal 1020 Ref 166.0209 Automatic Watch 1979 $650

Omega Seamaster Day/Date Cal 1020 Ref 166.0209 Automatic Watch 1979 $650

Omega - 166.0209 · $650
This Omega Seamaster Day/Date Cal 1020 is a vintage automatic watch from 1979, featuring an automatic Cal 1020 movement, gold-plated stainless steel case, and aftermarket leather band.

  • Condition: Preowned, In New condition with little wear and marks
  • Case material: Gold Plated Stainless Steel
  • Movement: Automatic Cal 1020
  • Band type: Aftermarket Leather Band
Posted at
May 9, 2026, 12:20 PM
Active