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

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Omega Seamaster 300 Gray Dial Bracelet & Strap $4385

Omega - Seamaster 300 · $4,385
The Omega Seamaster 300 is a watch with a gray dial and features both a bracelet and strap.

  • Dial color: gray
Posted at
Jan 4, 2026, 10:04 AM
Active
[WTS][US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

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This Omega Seamaster SMP300 features a blue dial and Sedna gold case in a 42mm size.

  • Condition: Fantastic with minor hairlines
  • Case size: 42mm diameter
  • Water resistance: Not specified
Posted at
Jan 4, 2026, 8:19 AM
Active
[WTS][US] Omega Seamaster SMP300 - Green Dial - 42mm - 210.30.42.20.10.001 - Full Set

[US] Omega Seamaster SMP300 - Green Dial - 42mm - 210.30.42.20.10.001 - Full Set

This Omega Seamaster Professional features a 300m water resistance and is equipped with a green dial.

  • Condition: Fantastic condition with minor hairlines on clasp, case, and bracelet
  • Case size: 42mm
  • Water resistance: 300m
Posted at
Jan 4, 2026, 8:11 AM
Active
[WTS] Omega Seamaster 166.0266 Tapestry TV Dial 🇨🇭 FREE SHIPPING

Omega Seamaster 166.0266 Tapestry TV Dial 🇨🇭 FREE SHIPPING

Omega - 166.0266 · $679
This vintage Omega Seamaster features a mechanical automatic movement with hacking and winding capabilities and boasts a stunning tapestry dial that shines under daylight.

  • Condition: Presentable condition, patina present
  • Movement: Mechanical automatic (hacking and winding)
  • Case size: 34mm diameter
  • Lug to lug: 37mm
Posted at
Jan 3, 2026, 9:55 PM
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[WTS] Omega Seamaster Pro 300M - Watch Only, OEM + Extra Rubber Strap

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Original owner's wife threw out the box and papers, but it still keeps great time and has a fantastic wrist presence.

  • Condition: Pre-owned with wear on the lugs
  • Lug Wear: some wear on the lugs
Posted at
Jan 3, 2026, 8:35 PM
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[WTS] Omega Seamaster Aqua Terra Blue Teak Dial 231.10.42.21.03.003 – Worn by 007 James Bond in Spectre & No Time to Die

Omega Seamaster Aqua Terra Blue Teak Dial 231.10.42.21.03.003 – Worn by 007 James Bond in Spectre & No Time to Die

This Omega Seamaster Aqua Terra features a blue teak-patterned dial that changes shades depending on light. It is powered by the Master Co-Axial movement and has been featured in two James Bond films.

  • Condition: Pre-owned with scratches, scuffs/dings on the case, bezel, and bracelet; some end-link gap play
  • Movement: Master Co-Axial
  • Diameter: 41.5mm
Posted at
Jan 3, 2026, 7:26 PM
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[WTS] Omega Seamaster Professional 41mm - 2254.50

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Omega - 2254.50 · $2,995
Up for sale is a great condition Omega Seamaster Professional 41mm Automatic Peter Blake with very minimal wear throughout. The crystal is clean, and the case and bracelet are in amazing shape.

  • Condition: Great condition, minimal hairlines
  • Case size: 41mm diameter
  • Bracelet length: up to 7 inch wrist
Posted at
Jan 3, 2026, 4:10 PM
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[WTS] Omega Seamaster Planet Ocean 600M 217.30.42.21.01.002

Omega Seamaster Planet Ocean 600M 217.30.42.21.01.002

Additional Details: Omega Seamaster Planet Ocean 600M Ref. 217.30.42.21.01.002 This watch comes complete with the full set as shown, including boxes, papers, and accessories.

  • Condition: Brand new with faint hairline marks on high-polished surfaces
  • Warranty Date: 11/2025
Posted at
Jan 3, 2026, 3:10 PM
Active
[WTS] OMEGA SEAMASTER 300 Watchco 165.024 166.0324 cal.552 w/ oem bracelet

OMEGA SEAMASTER 300 Watchco 165.024 166.0324 cal.552 w/ oem bracelet

This is a legendary Watchco Omega Seamaster, one of only a handful of NOS examples in the world at the time. It has been owned for 5 years and was last serviced when purchased.

  • Condition: Pre-owned with minor scratches/scuffs
  • Bracelet origin: Lewis Jewelers in Ann Arbor, MI
  • Clasp condition: light 'desk diving' scuffs
  • Crystal condition: some scuffs (buffable with Polywatch)
Posted at
Jan 3, 2026, 2:40 PM
Active