Omega Seamaster Seamaster Master Co-Axial 39.5 Hong Kong Edition Stainless Steel / Red / Alligator

Reference 511.13.40.20.11.001

Omega Seamaster Master Co-Axial 39.5 Hong Kong Edition Stainless Steel / Red / Alligator

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 300M "Seaweed" Green Wave Dial on OEM Mesh! 210.32.42.20.10.001

Omega Seamaster 300M "Seaweed" Green Wave Dial on OEM Mesh! 210.32.42.20.10.001

Omega - 210.32.42.20.10.001 · $5,395
The Omega Seamaster Diver 300M 'Seaweed' features a rare and striking color combination, powered by the Caliber 8800 movement and water-resistant up to 300 meters.

  • Condition: Excellent preowned condition
  • Movement: Caliber 8800
  • Power reserve: up to 55 hours
  • Water resistance: up to 300 meters
Posted at
Jan 13, 2026, 11:31 AM
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[WTS] 2023 Omega Seamaster Diver 300 M 210.32.42.20.03.001 Blue Wave Dial

2023 Omega Seamaster Diver 300 M 210.32.42.20.03.001 Blue Wave Dial

Omega - 210.32.42.20.03.001 · $3,950
This Omega Seamaster Diver 300 M features a Blue Wave Dial, and is available in excellent pre-owned condition with minimal signs of wear.

  • Condition: Excellent pre-owned
Posted at
Jan 13, 2026, 9:35 AM
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[WTS] Omega Seamaster Chronograph Jedi vintage. $2888sgd

Omega Seamaster Chronograph Jedi vintage. $2888sgd

Omega - Seamaster Chronograph Jedi · $2,888
A vintage Omega Seamaster Chronograph in good working order, recently serviced.

  • Condition: Very crisp vintage condition
  • Country Of Origin: Switzerland
Posted at
Jan 13, 2026, 4:03 AM
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[WTS] Omega Seamaster Aqua Terra 38.5mm –Discontinued Grey Skyfall “Teak”Dial - Full Set in Excellent Condition

Omega Seamaster Aqua Terra 38.5mm –Discontinued Grey Skyfall “Teak”Dial - Full Set in Excellent Condition

Omega - 231.10.39.21.06.001 · $3,950
A 2021 Omega Seamaster Aqua Terra 38.5mm with a highly sought-after grey teak 'Skyfall' dial, featuring an in-house Calibre 8500 Co-Axial movement and a smooth 60-hour power reserve.

  • Condition: Excellent
  • Case Size: 38.5mm diameter
  • Dial Color: grey with teak pattern
  • Movement: Omega Co-Axial Calibre 8500
Posted at
Jan 12, 2026, 11:33 PM
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[WTS] OMEGA Seamaster 166.067 Concentric dial, serviced. Be aware of SCAMMERS using my photos

OMEGA Seamaster 166.067 Concentric dial, serviced. Be aware of SCAMMERS using my photos

OMEGA - 166.067 · $1,300
This Omega Seamaster features a silver concentric dial and has been serviced in June 2025, with a performance of +/-15s per day.

  • Condition: Excellent
  • Movement: Cal 565 Automatic, 24 Jewels, 19800 beats per hour
  • Case dimensions: 35.8 x 40mm diameter, 11.5mm thickness, 18mm lug width
  • Accuracy: +/-15s per day, serviced June 2023
Posted at
Jan 12, 2026, 9:59 PM
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[WTS] Omega Seamaster 210.32.42.20.03.001 Blue Wave

Omega Seamaster 210.32.42.20.03.001 Blue Wave

Omega - 210.32.42.20.03.001 · $4,250
This Omega Seamaster 210.32.42.20.03.001 Blue Wave is a complete set from 2022, coming with a strap and shipping for free.

  • Condition: super clean condition with minor hairline scratches throughout
Posted at
Jan 12, 2026, 9:12 PM
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[WTS] 2025 Omega Seamaster Diver 300 Bronze Gold & Titanium Green 210.90.42.20.10.001 Full Set

2025 Omega Seamaster Diver 300 Bronze Gold & Titanium Green 210.90.42.20.10.001 Full Set

Omega - 210.90.42.20.10.001 · $8,680
2025 Omega Seamaster Diver 300M Professional watch with a bronze gold and titanium case, featuring a green aluminium dial and rotating dive bezel.

  • Condition: Excellent preowned condition with almost no signs of wear.
  • Case material: Titanium
  • Case dimensions: 42mm diameter
  • Bezel material: 9K Bronze Gold
Posted at
Jan 12, 2026, 8:14 PM
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[WTS] Omega Seamaster Aqua Terra |Silver/White teak-pattern dial with solid 18K rose gold hands | 150M 38.5mm | 2023 Full Set in Mint Condition

Omega Seamaster Aqua Terra |Silver/White teak-pattern dial with solid 18K rose gold hands | 150M 38.5mm | 2023 Full Set in Mint Condition

Omega - 231.13.39.21.02.003 · $4,890
A beautifully proportioned Omega Seamaster Aqua Terra 150M in the highly sought-after 38.5mm case, powered by Omega’s in-house Master Co-Axial Caliber 8500.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Movement: Omega Master Co-Axial Cal. 8500
  • Dial: Silver-white teak pattern
Posted at
Jan 12, 2026, 8:14 PM
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[WTS] Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega - 234.30.41.21.01.001 · $6,845
The Omega Seamaster 300 Heritage is a classic dive watch with a rich, glossy black dial and a steel case that feels timeless and refined.

  • Condition: Excellent
  • Case material: steel
  • Bracelet type: matching bracelet
  • Included kit: outer box, inner box, operating instructions, extra strap, card holder, warranty card, master chronometer card and pictograms card
Posted at
Jan 12, 2026, 6:48 PM
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