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] 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
[WTS] Omega Seamaster Aqua Terra 150M - Full Set - Near Mint

Omega Seamaster Aqua Terra 150M - Full Set - Near Mint

The Seamaster Aqua Terra is a tribute to OMEGA's rich maritime heritage, featuring a stainless steel case with a wave-edged design and a green sun-brushed dial with a horizontal "teak" pattern.

  • Condition: New in box - Near Mint
  • Case diameter: 41mm
  • Crystal type: Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
  • Caliber: Omega 8900
Posted at
Apr 30, 2026, 3:35 PM
Active
[WTS] Omega Seamaster Diver – Ref 210.30.42.20.06.001 – Very Good – Full Set = OM Strap

Omega Seamaster Diver – Ref 210.30.42.20.06.001 – Very Good – Full Set = OM Strap

This Omega Seamaster Diver features a blue ceramic bezel and gray wave dial, powered by the Calibre 8800 Co-Axial Master Chronometer with a 55hr power reserve, 300m water resistance, and METAS certification for anti-magnetism to 15,000 gauss. The watch is in very good condition, with a clean dial and no marks on the crystal or case, but some light wear on the bracelet.

  • Condition: Very Good
  • Bezel material: blue ceramic
  • Dial color: gray wave
  • Water resistance: 300m
Posted at
Apr 30, 2026, 3:25 PM
Active