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 300m

Omega Seamaster Professional 300m

A Omega Seamaster Diver 300M in the gray dial/blue bezel configuration is being sold. It comes with a blue OEM rubber strap, box, an extra black rubber strap, and a certificate of authenticity.

  • Condition: LNIB/near-mint with minor wear
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
May 2, 2026, 1:46 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M 220.10.41.21.06.001 - Full Kit - $3950

Omega Seamaster Aqua Terra 150M 220.10.41.21.06.001 - Full Kit - $3950

This Omega Seamaster Aqua Terra is for sale, purchased from Liljenquist and Beckstead in Bethesda on March 14th, 2024. It's a full kit with box, papers, hangtag, and extra links.

  • Condition: Heavily scratched
  • Purchase Date: 3/14/2024
  • Warranty Date: 3/14/2024
Posted at
May 2, 2026, 1:46 PM
Active
[WTS] Omega Seamaster Ref.2828 Rare Antique Beige Tropical Dial Arabic Numerals Automatic Men's Watch $550

Omega Seamaster Ref.2828 Rare Antique Beige Tropical Dial Arabic Numerals Automatic Men's Watch $550

Omega - 2828-11SC · $550
The Omega Seamaster Ref. 2828 features a rare antique beige tropical dial with Arabic numerals, an automatic movement, and is housed in a stainless steel case.

  • Condition: Preowned with some wear, scratches and marks
  • Case width: 32 mm (without crown)
  • Band type: Aftermarket leather band
  • Band size: 23 cm total length
Posted at
May 2, 2026, 1:38 PM
Active
[WTS] Omega Seamaster Planet Ocean. Box, Card.  232.32.46.21.01.003.

Omega Seamaster Planet Ocean. Box, Card. 232.32.46.21.01.003.

This Omega Seamaster Planet Ocean is being sold with its original box and card.

  • Box: true
  • Card: true
Posted at
May 2, 2026, 1:35 PM
Active
[WTS] Omega Seamaster Aqua Terra – ‘Blue Wave’ with Gold Accents – Complete Set

Omega Seamaster Aqua Terra – ‘Blue Wave’ with Gold Accents – Complete Set

Omega - 23110422103006 · $4,950
This Omega Seamaster Aqua Terra 'Blue Wave' features a blue dial with wave pattern, gold accents and a stainless steel case on a bracelet. It is powered by the Omega Master Co-Axial calibre 8500, resistant to magnetic fields and water up to 150M.

  • Condition: Excellent all-around condition
  • Case size: 41.5mm diameter
  • Water resistance: 150M / 15 bar
  • Power reserve: 60 hours
Posted at
May 2, 2026, 1:15 PM
Active
[WTS] 2022 Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue Full Set - $4,495

2022 Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue Full Set - $4,495

This Omega Seamaster Diver 300M Blue is a 2022 model featuring a blue color. It includes various accessories such as the inner and outer box, card holder, international warranty card, and instructions manual.

  • Condition: Excellent condition with minimal signs of wear
  • Box and papers: true
  • Year: 2022
Posted at
May 2, 2026, 1:12 PM
Active
[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

Up for sale is a Omega Seamaster Diver 300m Green Seaweed, featuring a reference number of 210.30.42.20.10.001 and made in 2024.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Shipping: Fully insured through Fedex within 24 hours
Posted at
May 2, 2026, 12:46 PM
Active
[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

This Omega Seamaster Planet Ocean 600m Titanium Blue is a 2025 model, reference number 232.92.44.22.03.001.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Depth rating: 600m
Posted at
May 2, 2026, 12:45 PM
Active
[WTS] Ladies Omega Seamaster Professional 300M 28mm – Ref. 2224.80 – Serviced March 2026, Exceptional Condition

Ladies Omega Seamaster Professional 300M 28mm – Ref. 2224.80 – Serviced March 2026, Exceptional Condition

Omega - 2224.80 · $1,595
This Omega Seamaster Professional 300M Quartz features a compact 28mm case, blue wave dial, and skeleton hands. It's designed for ladies or those with smaller wrists, yet still offers true dive watch capability to 300M.

  • Condition: Exceptional
  • Case dimensions: 28.4mm diameter | 34.2mm lug-to-lug | 10.6mm thick | 14mm lugs
  • Bracelet size: up to a 6.3” wrist
  • Water resistance: 300M
Posted at
May 2, 2026, 10:04 AM
Active