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 Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$7,750🔥 [PRICED TO SELL]

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$7,750🔥 [PRICED TO SELL]

OMEGA - 220.10.43.22.03.002 · $7,750
The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist.

  • Condition: VERY GOOD, Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet size: ~7"
  • Movement: Master Chronometer Calibre 8938
Posted at
May 8, 2026, 7:27 PM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$4,750🔥 [PRICED TO SELL]

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$4,750🔥 [PRICED TO SELL]

OMEGA - 220.10.38.20.13.003 · $4,750
The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 is a 38mm stainless steel model featuring a symmetrical case design, a Terracotta dial with a dynamic play of light, and rhodium-plated hands for readability.

  • Condition: UNWORN
  • Case size: 38mm diameter
  • Bracelet size: ~7" wrist
  • Contents: box,papers,serial hang tag,spare links (for fully-linked bracelet),shipping coffin,digital copy of original purchase receipt
Posted at
May 8, 2026, 7:25 PM
Active
[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$6,250🔥 PRICED TO SELL!

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$6,250🔥 PRICED TO SELL!

OMEGA - 522.21.42.20.04.001 · $6,250
The Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case combining stainless steel and 18K Moonshine Gold.

  • Condition: UNWORN
  • Case size: 42mm
  • Movement: Calibre 8800 Master Chronometer
  • Bezel: laser-structured diving scale in positive relief
Posted at
May 8, 2026, 7:22 PM
Active
[WTS] 2023 Omega Seamaster Diver 300M Grey 12/23 Ref# 210.30.42.20.06.001 $4,299.00

2023 Omega Seamaster Diver 300M Grey 12/23 Ref# 210.30.42.20.06.001 $4,299.00

Omega - 210.30.42.20.06.001 · $4,299
A 2023 Omega Seamaster Diver 300M Grey with a 42mm size and domed sapphire crystal, featuring an automatic movement and 300M water resistance.

  • Condition: Excellent shape, minor hairlines on case-clasp and bracelet
  • Movement: 8806
  • Water resistance: 300m
  • Reserve: 55 hours
Posted at
May 8, 2026, 6:37 PM
Active
[WTS] Omega Seamaster Diver 300M Blue Ceramic Gray Dial – Full Set w/ Bonus Strap

Omega Seamaster Diver 300M Blue Ceramic Gray Dial – Full Set w/ Bonus Strap

Omega - 210.30.42.20.06.001 · $4,500
The Omega Seamaster Diver 300M features a Blue ceramic bezel and gray wave dial, powered by the Calibre 8800 Co-Axial Master Chronometer with METAS certification and 55hr power reserve.

  • Condition: Very Good
  • Case material: stainless steel
  • Diameter: 42mm
  • Water resistance: 300m
Posted at
May 8, 2026, 4:45 PM
Active
[WTS] Omega Seamaster 21mm Blue Rubber Strap & Stainless Steel Tang Buckle MINT

Omega Seamaster 21mm Blue Rubber Strap & Stainless Steel Tang Buckle MINT

Omega - CVZ010127 · $225
A genuine OEM Omega blue rubber strap (Ref. CVZ010127) complete with the matching Omega tang buckle, designed for 21mm Omega watches.

  • Condition: Like New
  • Strap Width: 21mm
  • Buckle Type: Stainless Steel Tang Buckle
Posted at
May 8, 2026, 3:51 PM
Active
[WTS] 2022 Omega Seamaster Diver 300M James Bond 007 NTTD Mesh 210.90.42.20.01.001 B&P

2022 Omega Seamaster Diver 300M James Bond 007 NTTD Mesh 210.90.42.20.01.001 B&P

Omega - 210.90.42.20.01.001 · $8,100
The Omega Seamaster Diver 300M James Bond 007 NTTD Mesh is a lightweight, rugged dive watch built from full Grade 2 titanium with a tropical brown aluminum bezel and matching dial. It features a mesh titanium bracelet, METAS-certified Calibre 8806 movement, and 300m water resistance.

  • Condition: Very Good Condition
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
  • Movement type: Mechanical (Automatic), Co-Axial Master Chronometer Movement
Posted at
May 8, 2026, 3:15 PM
Active
[WTS] 2021 Omega Seamaster Diver 300m Toyko 2020 Olympics Limited Edition 522.30.42.20.04.001 B&P

2021 Omega Seamaster Diver 300m Toyko 2020 Olympics Limited Edition 522.30.42.20.04.001 B&P

Omega - 522.30.42.20.04.001 · $5,999
The Omega Seamaster Diver 300M 'Tokyo 2020' is a limited-production Olympic edition featuring a crisp white ceramic dial, deep blue ceramic bezel, and the signature Tokyo-themed colorway. Powered by the METAS-certified Calibre 8800, it delivers top-tier accuracy, anti-magnetic performance, and full 300m dive capability.

  • Condition: Excellent Condition
  • Case Size: 42mm diameter
  • Movement: Mechanical (Automatic), Co-Axial Master Chronometer Movement Caliber: Omega Calibre 8800
  • Power Reserve: Approximately 55 hours
Posted at
May 8, 2026, 2:46 PM
Active
[WTS] Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001

Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001

Omega - 231.10.42.21.02.001 · $2,895
Aqua Terra White Dial, 41.5mm in size, with a small mark on the dial near the 2 o'clock marker and good timegrapher results.

  • Condition: very clean pre-owned condition with light wear throughout
  • Diameter: 41.5mm
Posted at
May 8, 2026, 1:13 PM
Active