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

Current Listings

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Omega - 220.10.41.21.03.006 · $5,575

This Omega Seamaster Aqua Terra features a 41mm stainless steel case, turquoise dial with black gradient, and is powered by an automatic mechanical movement.

Condition: Very nice preowned condition with some very light scratches on the case and bracelet
Case Material: Stainless Steel
Case Dimensions: 41mm diameter
Bezel: Stainless Steel Smooth Bezel

Posted at

Jan 7, 2026, 8:15 PM

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Up for sale is my Omega Seamaster 2220.80, a mid-size watch featuring an automatic co-axial cal 2500 movement.

Condition: 8.7/10 - great condition with minimal marks and hairlines
Case size: 41mm diameter
Movement: co-axial cal 2500
Bracelet fit: up to 7-7.25 inch wrists depending on wrist shape

Posted at

Jan 7, 2026, 7:54 PM

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Omega - 212.30.41.20.01.003 · $3,000

The Omega Seamaster Diver 300M is a black watch with a no wave dial, described as being in incredible condition.

Condition: Incredible condition, no scratches
Case size: 41mm diameter
Depth rating: 300m

Posted at

Jan 7, 2026, 4:16 PM

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Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $2999

Omega - 232.30.46.21.01.001 · $2,999

This Omega Seamaster Planet Ocean is listed for sale with its original box and papers.

Condition: The bezel and crystal are clean and clear, but the Case has some faint hairline scratches and one very small knick on the lug, with signs of wear on the bracelet.
Box And Papers: Yes
Shipping: via FedEx Ground with signature confirmation

Posted at

Jan 7, 2026, 1:34 PM

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Omega Seamaster. NTTD. Bronze Gold + Titanium. Full Kit. 2025.

Omega - 210.90.42.20.10.001 · $8,999

The Omega Seamaster is a NTTD model featuring Bronze Gold + Titanium and comes with a full kit.

Material: Bronze Gold + Titanium
Year: 2025
Collection: NTTD

Posted at

Jan 7, 2026, 12:16 PM

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[US] Omega Seamaster Professional 300m - 42mm - Blue - 210.30.42.20.03.001 - Full Set

Omega - 210.30.42.20.03.001 · $4,500

Up for sale is an Omega Seamaster Professional 300m - Blue watch that functions perfectly mechanically without issue.

Condition: Fantastic with minor hairlines
Case size: 42mm
Water resistance: 300m

Posted at

Jan 7, 2026, 8:23 AM

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Omega Seamaster 2531.80 full set

Omega - 2531.80 · $3,500

For sale is my 2531.80 Omega Seamaster, also known as the Brosnan. This watch is in excellent condition and was serviced by Omega in 2021.

Condition: Excellent, unpolished
Servicing year: 2021
Bezel replacement: Yes

Posted at

Jan 6, 2026, 10:41 PM

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Omega Seamaster Aqua Terra 150m Master Co-Axial Golf Edition (2020) Complete Kit With Extra Straps

Omega - Seamaster Aqua Terra 150m Master Co-Axial Golf Edition · $4,500

This Omega Seamaster Aqua Terra 150m Master Co-Axial Golf Edition is a 2020 model featuring a 41mm case size. It has been worn less than 20 times and comes with multiple straps.

Condition: Worn less than 20 times
Size: 41mm diameter
Background: Bought in 2020 from WatchMaxx

Posted at

Jan 6, 2026, 8:23 PM

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