Omega Seamaster Seamaster Master Co-Axial 39.5 Hong Kong Edition Stainless Steel / Red / Alligator

Reference 511.13.40.20.11.001

Omega Seamaster Master Co-Axial 39.5 Hong Kong Edition Stainless Steel / Red / Alligator

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, no date, black small wave dial 210.32.42.20.01.003

Omega Seamaster Diver 300M, no date, black small wave dial 210.32.42.20.01.003

Omega - 210.32.42.20.01.003 · $5,450
A no date Omega Seamaster Diver 300M with a black small wave dial, featuring a domed sapphire crystal and an aluminum insert.

  • Condition: LIKE NEW (99/100)
  • Case size: 42mm
  • Material: full kit, all boxes, cards, manual, hang tag, original crystal sticker
Posted at
Mar 18, 2026, 9:32 PM
Active
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[WTS] Another Omega Seamaster ‘Seaweed’ full set, strap and steel bracelet! ($5,499)

Another Omega Seamaster ‘Seaweed’ full set, strap and steel bracelet! ($5,499)

Omega - SMP300 21030422010001 · $5,499
This is a full set Omega Seamaster 'Seaweed' including strap and steel bracelet.

  • Condition: Excellent condition
  • Bracelet included: Yes
  • Strap included: Yes
Posted at
Mar 18, 2026, 9:10 PM
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[WTS] Omega Seamaster Chronograph Cal. 321 – Manual Wind – Excellent Condition

Omega Seamaster Chronograph Cal. 321 – Manual Wind – Excellent Condition

Omega - Seamaster Chronograph Cal. 321
This Omega Seamaster Chronograph is a manual wind watch featuring Cal. 321 movement.

  • Condition: Excellent Condition
Posted at
Mar 18, 2026, 8:35 PM
Active
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[WTS] Omega Seamaster Professional 41mm “Peter Blake”- 2254.50

Omega Seamaster Professional 41mm “Peter Blake”- 2254.50

Omega - 2254.50 · $2,995
Up for sale is my Omega Seamaster Professional 41mm 'Peter Blake' in stunning shape.

  • Condition: great condition
  • Bracket size: not specified
  • Depth rating: not specified
  • Water resistance: not specified
Posted at
Mar 18, 2026, 5:52 PM
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[WTS] Omega Seamaster Planet Ocean 600M – 42mm Titanium – 2025 Set

Omega Seamaster Planet Ocean 600M – 42mm Titanium – 2025 Set

Omega - 232.90.42.21.03.001 · $5,350
The Omega Seamaster Planet Ocean 600M features a titanium 42mm case and bracelet, with a blue ceramic bezel and dial.

  • Condition: Mint condition
  • Case Size: 42mm diameter
  • Water Resistance: 600m / 2000ft
  • Movement: Omega Calibre 8500
Posted at
Mar 18, 2026, 3:33 PM
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[WTS] Omega Seamaster 300 Heritage - Mint w/Straps - Under Warranty

Omega Seamaster 300 Heritage - Mint w/Straps - Under Warranty

Omega - 234.30.41.21.03.001 · $4,800
The Omega Seamaster 300 Heritage is a modern reissue of Omega's classic dive watch with a beautiful blue sandwich dial and vintage-inspired design.

  • Condition: Near Mint
  • Case size: 41mm diameter
  • Movement: Omega Master Chronometer automatic movement (Calibre 8912)
  • Bezel direction: Unidirectional dive bezel
Posted at
Mar 18, 2026, 2:02 PM
Active
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[wts] Omega Seamaster James Bond 60th 210.30.42.20.03.002 LNIB 2025

Omega Seamaster James Bond 60th 210.30.42.20.03.002 LNIB 2025

Omega - 210.30.42.20.03.002 · $6,990
For sale is a Omega Bond 60th model in pristine as new condition, comes with the Omega warranty card dated 8/2025.

  • Condition: like new in box (LNIB)
  • Year of production: 2025
Posted at
Mar 18, 2026, 1:17 PM
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[WTS] Omega Seamaster Diver 300 COMPLETE SET 210.32.42.20.06.001

Omega Seamaster Diver 300 COMPLETE SET 210.32.42.20.06.001

Omega - 210.32.42.20.06.001 · $3,950
A fully functional Omega Seamaster Diver 300 with no signs of wear, complete set including warranty card dated 2022.

  • Condition: Excellent
  • Payment Methods Accepted: multiple methods including crypto and in-person
  • Location: southwest FL
  • Accepts Trades: yes, only for specified brands
Posted at
Mar 18, 2026, 11:25 AM
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[WTS] Omega Seamaster Planet Ocean - 2200.50

Omega Seamaster Planet Ocean - 2200.50

Omega - 2200.50 · $3,300
This Omega Seamaster Planet Ocean ref. 2200.50 is the classic Co-Axial model powered by Omega caliber 2500, featuring a black dial and black bezel, along with sapphire crystal and 600m water resistance.

  • Condition: Pre-owned with scratches on AR coating
  • Water Resistance: 600m
  • Case Size: 45.5mm diameter
  • Movement: Omega caliber 2500 (Co-Axial)
Posted at
Mar 18, 2026, 10:18 AM
Active
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