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] (Serviced) Omega Seamaster Planet Ocean 600mm Black 232.30.46.21.01.003 45.5mm $2900

(Serviced) Omega Seamaster Planet Ocean 600mm Black 232.30.46.21.01.003 45.5mm $2900

Omega - 232.30.46.21.01.003 · $2,900
Planet Ocean model with a black face, 45.5mm case size, and excellent timegrapher numbers.

  • Condition: Excellent
  • Case Size: 45.5mm
Posted at
Oct 18, 2025, 1:32 AM
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[WTS] Omega Seamaster Professional 300M “Blue Wave Dial” – Ref. 2551.80 Automatic (36mm)

Omega Seamaster Professional 300M “Blue Wave Dial” – Ref. 2551.80 Automatic (36mm)

Omega - 2551.80 · $1,950
A classic Omega Seamaster 300M midsize watch with a deep blue wave dial, one of the most recognizable designs from the brand.

  • Condition: Good overall condition with normal signs of wear on the case and bracelet
  • Case size: 36mm
  • Bracelet links: 11
  • Last serviced: 2021 by Omega
Posted at
Oct 18, 2025, 12:12 AM
Active
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[wts] NEAR MINT Omega Seamaster Planet Ocean 8500 Orange 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

NEAR MINT Omega Seamaster Planet Ocean 8500 Orange 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

Omega - 232.32.46.21.01.003 · $3,600
A near-mint Omega Seamaster Planet Ocean Orange 8500 in 45mm, featuring a gray bezel swapped for an OEM orange one and a new style OEM mesh/milanese bracelet.

  • Condition: Near mint
  • Bracelet Type: Mesh/Milanese
  • Bezel Color: Orange
Posted at
Oct 17, 2025, 9:24 PM
Active
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[wts] Omega Seamaster Planet Ocean GMT Good Planet 232.30.44.22.03.001 3.5mm

Omega Seamaster Planet Ocean GMT Good Planet 232.30.44.22.03.001 3.5mm

Omega - 232.30.44.22.03.001 · $4,900
A Omega Seamaster Planet Ocean GMT Good Planet, featuring a 43.5mm case size.

  • Condition: Good
  • Case Diameter: 43.5mm
Posted at
Oct 17, 2025, 9:21 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 39mm 2503.50 $2200

Omega Seamaster Aqua Terra 39mm 2503.50 $2200

Omega - 2503.50 · $2,200
This Omega Seamaster Aqua Terra 39mm is a stylish and functional watch that features a clean crystal and fits about an 18cm wrist.

  • Condition: Excellent, little signs of use
  • Case size: 39mm
  • Wrist size: fits about 18cm
Posted at
Oct 17, 2025, 9:10 PM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean Chronograph 9300 232.30.46.51.01.001 under warranty

Omega Seamaster Planet Ocean Chronograph 9300 232.30.46.51.01.001 under warranty

Omega - 9300 232.30.46.51.01.001 · $4,400
This Omega Seamaster Planet Ocean Chronograph is a well-maintained timepiece with factory warranty valid through NOV 2027.

  • Condition: Great condition with boxes and papers
Posted at
Oct 17, 2025, 9:01 PM
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[WTS] 2025 BNIB Omega Seamaster Diver 300M Black 210.30.42.20.01.001 Full Set

2025 BNIB Omega Seamaster Diver 300M Black 210.30.42.20.01.001 Full Set

Omega - 210.30.42.20.01.001 · $5,400
2025 Omega Seamaster Diver 300M Black 42mm daily diver with a full set, brand new and dated Sept 2025.

  • Condition: new, unsized, never worn
  • Size: 42mm diameter
  • Year: 2025
Posted at
Oct 17, 2025, 7:57 PM
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[WTS] Omega Seamaster Diver 300 Blue No Wave Full Set 212.30.41.20.03.001

Omega Seamaster Diver 300 Blue No Wave Full Set 212.30.41.20.03.001

Omega - 212.30.41.20.03.001 · $3,200
This Omega Seamaster Diver 300 Blue 'No Wave' dial is a classic daily diver from 2022, in excellent condition and recently serviced. It features a 41mm case size and comes complete with its outer box, inner wooden box, cards, and manual book.

  • Condition: Excellent preowned condition with little signs of wear throughout.
  • Year: 2022
  • Size: 41mm diameter
  • Msrp: $5150
Posted at
Oct 17, 2025, 6:43 PM
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[WTS] Omega Seamaster Diver 300M Black Ceramic 2024 Box And Papers 210.92.44.20.01.003

Omega Seamaster Diver 300M Black Ceramic 2024 Box And Papers 210.92.44.20.01.003

Omega - 210.92.44.20.01.003 · $7,750
The Omega Seamaster Diver 300M Black Ceramic Ref. 210.92.44.20.01.003 is a bold and stealthy take on one of Omega’s most iconic dive watches, featuring a 43.5mm black ceramic case with a sleek, matte finish.

  • Case material: black ceramic
  • Diameter: 43.5mm
Posted at
Oct 17, 2025, 1:02 PM
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