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.

Buy Now on Jomashop

This is an affiliate link

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

2021 Omega Seamaster Diver Tokyo 522.30.42.20.04.001 White Wave 42MM

Omega - 522.30.42.20.04.001 · $5,400

The watch is a 2021 Omega Seamaster Diver Tokyo, 42MM in size, with a white wave design.

Condition: Mint
Box Condition: Inner and outer box show signs of wear
Bracelet Links: 11 links
Wrist Size Fit: 7.25 inches

Posted at

May 4, 2026, 12:04 AM

Active

View listing on r/WatchExchange

OMEGA Seamaster 300M Professional No-Date 🔥Excellent 2025 Full Kit

OMEGA - 210.32.42.20.01.003 · $5,199

This Omega Seamaster 300M Professional No-Date is a new model that was launched last year, featuring a 42mm case and 300m water resistance.

Condition: Excellent
Case size: 42mm diameter
Water resistance: 300m

Posted at

May 3, 2026, 10:16 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.51 42mm Box and Card - $2,850

Omega - Planet Ocean 2201.51 · $2,850

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.51, measuring at 42mm with an automatic Omega Calibre 2500 movement. It has a steel case on original Omega steel bracelet and comes in double box, cards, manual, and watch on original bracelet.

Condition: Very good condition for its age with minimal marks/hairlines
Case size: 42mm diameter
Bracelet length: fits up to 7-7.25 inch wrists
Movement type: automatic

Posted at

May 3, 2026, 9:00 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.50 42mm - $2,650 - US BASED!

Omega - 2201.50 · $2,650

Up for sale is my Omega Seamaster Planet Ocean 2201.50 in great condition for its age, measuring at 42mm with an automatic Omega Calibre 2500 movement.

Condition: Very good condition, minimal marks/hairlines on case and bracelet
Movement: Omega Calibre 2500, automatic
Bracelet length: not specified

Posted at

May 3, 2026, 8:52 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega - 2504.50 · $2,490

Up for sale is my Omega Seamaster Aqua Terra 2504.50.00, a great condition automatic watch measuring 36mm.

Condition: Great condition with minor patina on dial indices and hands, dust, and handprints
Case material: Steel
Bracelet material: Original Omega Steel bracelet
Crystal type: Sapphire crystal

Posted at

May 3, 2026, 8:37 PM

Active

View listing on r/WatchExchange

Serviced Omega Seamaster Planet Ocean 2201.50 (Gen 1) 42mm

Omega - 2201.50 · $3,850

First generation Omega Seamaster Planet Ocean 42mm in great condition, running well, with a few minor marks on the clasp and lug.

Condition: Extremely good condition, minimal marks and swirls
Movement: 2500C
Bracelet size: 7.25 inch
Additional strap and buckle: Omega OEM rubber strap and buckle

Posted at

May 3, 2026, 7:39 PM

Active

View listing on r/WatchExchange

[WTS] Omega Seamaster Diver 300M James Bond 50th Anniversary Limited Edition | Ref. 212.30.41.20.01.005 | Watch + Box + 1 Year Seller Warranty on Movement | $4495 |

Omega Seamaster Diver 300M James Bond 50th Anniversary Limited Edition | Ref. 212.30.41.20.01.005 | Watch + Box + 1 Year Seller Warranty on Movement | $4495 |

Omega - 212.30.41.20.01.005 · $4,495

The Omega Seamaster Diver 300M James Bond 50th Anniversary is a highly collectible limited edition watch, released to celebrate 50 years of James Bond. It features a black dial with a subtle 007 motif and commemorative design details. Powered by the Omega Calibre 2507, this 41mm reference offers classic wearability with added collector appeal.

Condition: Very good condition
Movement: Omega Calibre 2507
Case size: 41mm
Water resistance: 300m

Posted at

May 3, 2026, 6:21 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 41mm 212.30.41.20.03.001 - Undated Box and Papers

Omega - 212.30.41.20.03.001 · $3,250

This Omega Seamaster Diver is a 41mm watch with an unknown service history, but it comes with its original box and papers, except for the terrible condition of the boxes.

Condition: Good Pre-Owned
Case Size: 41mm diameter
Contents: 11 links, warranty card, box, manual, pictogram card, card holder

Posted at

May 3, 2026, 5:04 PM

Active

View listing on r/WatchExchange