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 Diver 300M "Seaweed" Green - 210.32.42.20.10.001

OMEGA Seamaster Diver 300M "Seaweed" Green - 210.32.42.20.10.001

This Omega Seamaster Diver 300M features a stunning polished green ceramic dial and bezel, perfect for those who love the ocean and want a watch that shifts colors in different lighting conditions.

  • Condition: Great pre-owned condition with normal signs of wear
  • Water Resistance: 300m depth rating
Posted at
Apr 26, 2026, 1:05 PM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,225

Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,225

The Omega Seamaster Aqua Terra Quartz is a versatile luxury watch with exceptional movement technology, often cited as an ideal 'one-and-only-one' watch.

  • Condition: Excellent pre-owned condition
  • Case diameter: 38.5mm
  • Lug width: 19mm
  • Lug-to-lug length: 45.4mm
Posted at
Apr 26, 2026, 12:54 PM
Active
[WTS] BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,299

BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,299

This Omega Seamaster Diver 300M features a white ceramic dial, laser-engraved waves, and a date window at 6 o'clock. The watch includes a black ceramic bezel with a white enamel diving scale and is powered by the OMEGA Master Chronometer Calibre 8800.

  • Condition: Brand new in box with no issues
  • Case diameter: 42mm
  • Lug width: 20mm
  • Water resistance: 300m
Posted at
Apr 26, 2026, 12:47 PM
Active
[WTS] Omega Seamaster Geneve, Beautiful Speckled Dial 165.002 (Serviced) Only for 625$ Shipped 🚢

Omega Seamaster Geneve, Beautiful Speckled Dial 165.002 (Serviced) Only for 625$ Shipped 🚢

Omega - 165.002 · $625
This 1968 Omega Seamaster Geneve features a stainless steel case with a 35mm diameter, automatic movement calibre 552, and a speckled dial. The watch has been serviced and is working perfectly fine.

  • Condition: Good, minor scratches on the case
  • Movement caliber: 552
  • Case size: 35mm
  • Case material: stainless steel
Posted at
Apr 26, 2026, 8:40 AM
Active
[WTS][US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

[US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

An Omega Seamaster SMP300 with a blue dial and Sedna gold case, measuring 42mm in diameter.

  • Condition: Fantastic condition with minor hairlines
  • Case diameter: 42mm
Posted at
Apr 26, 2026, 7:48 AM
Active
[WTS] Omega Seamaster Planet Ocean Dec 2025 Ref. 217.32.42.21.01.002 – Mint Full Set – $6,750

Omega Seamaster Planet Ocean Dec 2025 Ref. 217.32.42.21.01.002 – Mint Full Set – $6,750

The Omega Seamaster Planet Ocean is a solid and reliable watch with a great balance of sportiness and everyday versatility.

  • Condition: mint condition
  • Date Of Manufacture: December 2025
Posted at
Apr 26, 2026, 7:48 AM
Active
[WTS] Omega Seamaster Diver 300M Green – Ref. 210.30.42.20.10.001 - $4700 plus label

Omega Seamaster Diver 300M Green – Ref. 210.30.42.20.10.001 - $4700 plus label

This Omega Seamaster Diver 300M Green features a pre-owned condition with most wear on the bracelet, light wear on the case sides and polished areas.

  • Condition: Pre-owned, light wear on bracelet and case sides
  • Bracelet condition: light wear
  • Case condition: light wear
Posted at
Apr 25, 2026, 9:43 PM
Active
[WTS] 2023 Omega Seamaster Professional Diver 300m White Full Set Like New 210.32.42.20.04.001

2023 Omega Seamaster Professional Diver 300m White Full Set Like New 210.32.42.20.04.001

A beautiful example of the Omega Seamaster Professional Diver 300m White on rubber, dated 2023 and in excellent condition.

  • Condition: Very good preowned condition
  • Msrp: 6300
  • Depth rating: 300m
Posted at
Apr 25, 2026, 9:40 PM
Active