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 42mm “Seaweed” 210.32.42.20.10.001 | 2025 Watch with Box and Papers

Omega Seamaster Professional 300M 42mm “Seaweed” 210.32.42.20.10.001 | 2025 Watch with Box and Papers

This Omega Seamaster Professional 300M features a 42mm case and is from the year 2025, coming with its original box and papers.

  • Condition: Great Pre-Owned
  • Year: 2025
  • Movement Type: Master Chronometer
Posted at
May 2, 2026, 7:46 PM
Active
[WTS] Omega Seamaster Professional 300M 42mm 210.32.42.20.04.001 | 2023 Full Set

Omega Seamaster Professional 300M 42mm 210.32.42.20.04.001 | 2023 Full Set

This Omega Seamaster Professional 300M is a 2023 full set, featuring a Master Chronometer certification.

  • Condition: Great Pre-Owned
  • Case diameter: 42mm
  • Depth rating: 300m
Posted at
May 2, 2026, 7:42 PM
Active
[WTS] Omega Seamaster Professional 300M 42mm 210.32.42.20.03.001 | 2023 Full Set

Omega Seamaster Professional 300M 42mm 210.32.42.20.03.001 | 2023 Full Set

This is a 2023 Omega Seamaster Professional 300M in 42mm, which is a full set including warranty card, box, manual, and more.

  • Condition: Great Pre-Owned
  • Case Size: 42mm diameter
  • Water Resistance: 300m depth rating
Posted at
May 2, 2026, 7:36 PM
Active
[WTS] Omega Seamaster Professional 300M 42mm 210.30.42.20.06.001 | 2022 Box and Papers

Omega Seamaster Professional 300M 42mm 210.30.42.20.06.001 | 2022 Box and Papers

A used Omega Seamaster Professional 300M, 42mm in size, with a 2022 warranty card and other accessories.

  • Condition: Good Pre-Owned with scratches and torn flap
  • Case Size: 42mm
  • Service History: Unknown
Posted at
May 2, 2026, 7:29 PM
Active
[WTS] Uncle Seiko US1450 Bracelet (Omega Seamaster 300m)

Uncle Seiko US1450 Bracelet (Omega Seamaster 300m)

· $85
This Uncle Seiko US1450 Bracelet for SMP 300 has a double button milled clasp and comes with all links, currently sized for a 17.5 cm wrist.

  • Material: Bracelet material not specified
  • Wrist size compatibility: 17.5 cm
  • Lug width: 20mm
Posted at
May 2, 2026, 6:43 PM
Active
[WTS] 2025 Omega Seamaster Diver 300M 210.30.42.20.01.018 Full Set $6,250

2025 Omega Seamaster Diver 300M 210.30.42.20.01.018 Full Set $6,250

A modern dive watch featuring a clean black dial configuration and full stainless steel bracelet, powered by the Omega Co-Axial Master Chronometer Calibre 8800.

  • Condition: Mint (pre-owned, minimal to no wear)
  • Movement: Omega Calibre 8800 Master Chronometer
  • Case size: 42mm diameter
  • Case material: Stainless steel
Posted at
May 2, 2026, 6:13 PM
Active
[WTS] Omega Seamaster SMP300 Americas Cup Ref. 210.32.42.20.04.002 (Repost and Reduced)

Omega Seamaster SMP300 Americas Cup Ref. 210.32.42.20.04.002 (Repost and Reduced)

The Omega Seamaster SMP300 Americas Cup is a popular summer watch, known for being one of the best Seamasters made.

  • Condition: Excellent condition
Posted at
May 2, 2026, 6:06 PM
Active
[WTS] Vintage Omega Seamaster Deville 60s

Vintage Omega Seamaster Deville 60s

This is a vintage Omega Seamaster Deville from the 60s, which comes with original accessories such as box, booklets, and warranty card.

  • Condition: Runs well!
  • Original accessories included: true
  • Payment methods accepted: Zelle, Venmo, or WU
Posted at
May 2, 2026, 5:38 PM
Active
[WTS] Omega Seamaster Professional Diver 30OM - Black Wave Dial - Ref 212.30.41.20.01.002

Omega Seamaster Professional Diver 30OM - Black Wave Dial - Ref 212.30.41.20.01.002

The Omega Seamaster Diver 300M features a black wave dial, reliable Co-Axial Calibre 2500 movement, and the signature 'Bond' style bracelet. This 41mm model is a perfect blend of tool-watch ruggedness and luxury refinement.

  • Condition: Excellent
  • Case Size: 41mm diameter
  • Movement: Omega Calibre 2500 (Automatic/Co-Axial)
  • Water Resistance: 300m / 1000ft depth rating
Posted at
May 2, 2026, 5:36 PM
Active