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 LIMITED EDITION "Beijing 2022" 522.30.42.20.03.001 COMPLETE SET

Omega Seamaster Diver LIMITED EDITION "Beijing 2022" 522.30.42.20.03.001 COMPLETE SET

For sale is an Omega Seamaster Diver reference number 522.30.42.20.03.001, a limited edition watch to celebrate the 2022 Beijing Olympics. Watch comes with the complete set.

  • Condition: Excellent
  • Payment Methods: crypto (with small fee), other methods available
  • Local Meet Up: yes, in southwest FL
  • Payment Restrictions: no PayPal
Posted at
May 1, 2026, 11:10 AM
Active
[WTS] Omega Seamaster SMP300 NTTD 210.90.42.20.01.001 COMPLETE SET 2025 007 Edition

Omega Seamaster SMP300 NTTD 210.90.42.20.01.001 COMPLETE SET 2025 007 Edition

This Omega Seamaster NTTD 007 edition watch is in excellent condition with almost no signs of wear, and comes with a complete set including warranty card.

  • Condition: Excellent
  • Payment Methods Accepted: crypto (with a small fee), other methods
  • Payment Methods Rejected: PayPal
  • Trading Interests: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
May 1, 2026, 10:49 AM
Active
[WTS] Forstner Bullet Bracelet for Modern Omega Seamaster Professional 300s

Forstner Bullet Bracelet for Modern Omega Seamaster Professional 300s

· $150
This Forstner 'Bullet' bracelet is designed for modern Omega Seamaster Professional 300 watches. It's a full kit that includes the linked bracelet, end links, spring bars, box, screwdriver, and link ziploc.

  • Condition: Great, lightly used condition
  • Brand: Forstner
  • Price Original: 188
Posted at
May 1, 2026, 10:42 AM
Active
[WTS] Omega Seamaster PAF, Rare Grey Dial 166.0209 (Serviced) only for 825$ Shipped🚢

Omega Seamaster PAF, Rare Grey Dial 166.0209 (Serviced) only for 825$ Shipped🚢

Omega - 166.0209 · $825
This Omega Seamaster PAF reference 166.0209 from 1973 features a stainless steel case with a 35mm diameter. The dial is clean with a beautiful grey finish and the automatic movement 1022 works perfectly fine after recent servicing.

  • Condition: Good, with some minor cosmetic issues and alteration (polished caseback)
  • Case Size: 35mm diameter
  • Movement: Automatic, Omega 1022
  • Crystal: Omega signed
Posted at
May 1, 2026, 8:48 AM
Active
[WTS] 1970 Omega Seamaster 300 🔥 Rare This Complete 🔥 Must See Ref. 165.024

1970 Omega Seamaster 300 🔥 Rare This Complete 🔥 Must See Ref. 165.024

Omega - 165.024 · $7,000
A 1970 Omega Seamaster 300 with a rare pencil hand design, in excellent condition considering its age. The watch is beyond complete and comes with original purchase receipt, boxes, bracelet, and all paperwork.

  • Condition: Honest, unpolished, worn
  • Bracelet Width: 8"
  • Crystal Condition: marks
  • Crown Condition: decay
Posted at
May 1, 2026, 7:15 AM
Active
[WTS] Omega Seamaster 300 Summer Blue Special Edition 210.30.42.20.03.003

Omega Seamaster 300 Summer Blue Special Edition 210.30.42.20.03.003

The Omega Seamaster 300 is a special edition watch featuring a striking summer blue dial and steel band.

  • Condition: Lightly preowned with polish to retail
  • Case size: 42MM diameter
  • Band material: Steel
Posted at
May 1, 2026, 7:02 AM
Active
[WTS] Omega Seamaster Cosmic 2000 $1200 SHIPPED

Omega Seamaster Cosmic 2000 $1200 SHIPPED

Omega - 166.129 · $1,200
A Omega Seamaster Cosmic 2000 with a 40 mm diameter case, sold as-is without personal warranty.

  • Condition: Pre-owned working condition
  • Case size: 40 mm diameter
  • Strap: AM strap with omega stamped buckle
Posted at
May 1, 2026, 12:39 AM
Active
[WTS] Omega Seamaster 300m Black dial 210.30.42.20.01.001 Full Kit+ Receipt $4350+ 🚢

Omega Seamaster 300m Black dial 210.30.42.20.01.001 Full Kit+ Receipt $4350+ 🚢

An iconic Omega Seamaster 300m with a stunning black dial is available now, featuring a 42mm diameter case and 55 hour power reserve.

  • Condition: Excellent with minor scratches on case and clasp
  • Movement: 8800
  • Water Resistance: 300m
  • Case Size: 42mm
Posted at
Apr 30, 2026, 9:24 PM
Active
[WTS] Omega Seamaster ‘Seaweed’($5,250)

Omega Seamaster ‘Seaweed’($5,250)

This Omega Seamaster Diver 300M Co-Axial Master Chronometer features a green dial and is made of stainless steel, with a diameter of 42mm excluding the crown.

  • Condition: Excellent
  • Material: Stainless Steel
  • Diameter: 42mm (excluding crown)
  • Movement: Self-Winding Co-Axial Master Chronometer
Posted at
Apr 30, 2026, 8:02 PM
Active