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

Omega Seamaster 300M Nekton 42mm 210.30.42.20.01.002 Full set

Omega - 210.30.42.20.01.002 · $4,400

Up for sale is an Omega Seamaster 300M Nekton edition 42mm, featuring a primary matte finish dial with polished waves and solid case back.

Condition: Great to excellent condition, some marks on the case and bracelet
Movement: Omega Cal. 8806, METAS certified
Water resistance: not specified
Strap: OEM Omega rubber strap (can be included in the sale for additional cost)

Posted at

Dec 7, 2025, 12:02 PM

Active

View listing on r/WatchExchange

Omega Seamaster Sparkle Dial ✨ 166.0281 - Original BOR bracelet (Serviced) only for 550$ Shipped 🚢

Omega - 166.0281 · $550

This Omega Seamaster reference 166.0281 features a stainless steel/gold plated case with a sparkle effect on the dial. The watch has been recently serviced and comes with an original BOR bracelet.

Condition: Used, rough case with corrosion and fading at lugs
Case material: Stainless steel/gold plated
Case size: 33mm
Bracelet length: 7.3 inches

Posted at

Dec 7, 2025, 9:49 AM

Active

View listing on r/WatchExchange

Omega Seamaster Classic Sunburst Dial - Chronometer Rated Reference 168.024 - Cal. 564 Chronometer Automatic - From 1969 - $1250

Omega - 168.024 · $1,250

A 1969 Omega Seamaster with a chronometer-rated Cal. 564 automatic movement and a timeless case design. The watch features a white sunburst dial that has developed a subtle champagne tone.

Movement: Cal. 564 Chronometer Automatic
Year: 1969
Case size: 35mm (excluding original signed crown)

Posted at

Dec 7, 2025, 6:37 AM

Active

View listing on r/WatchExchange

OMEGA Seamaster GMT Diver 2535.80.00

OMEGA - 2535.80.00 · $3,700

This listing is for a pre-owned OMEGA Seamaster GMT Diver in 41mm size that comes with a clean crystal and is suitable for wrists between 6.5-6.75 inches.

Condition: preowned, minor hairline scratches, clean crystal with possible marks under magnification
Size: 41mm diameter
Wrist size range: 6.5-6.75 inches
Shipping: free 2-day insured FedEx shipping

Posted at

Dec 7, 2025, 1:03 AM

Active

View listing on r/WatchExchange

(2021) Mint Omega Seamaster Railmaster 40mm Grey Dial 220.10.40.20.06.001 $2,600

Omega - 220.10.40.20.06.001 · $2,600

This Omega Seamaster Railmaster is a 2021 model with a grey dial and 40mm case size, offered for sale in full set condition including box and papers.

Condition: lightly used with very little signs of use
Case size: 40mm diameter
Year: 2021
Condition notes: very little signs of use

Posted at

Dec 6, 2025, 11:54 PM

Active

View listing on r/WatchExchange

REDUCED PRICE REPOST Omega Seamaster Aqua Terra 36mm 2504.50 Black Dial Full Set W/ Box & Papers

Omega - 2504.50 · $3,150

Up for sale is my Omega Seamaster Aqua Terra 36mm, a full set watch with inner/outer boxes and authentication cards.

Condition: very good overall condition with minor hairlines on the bracelet and case
Case size: 36mm
Box papers included: yes

Posted at

Dec 6, 2025, 8:12 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300M - Ref # 212.30.41.20.03.001, 2018, Box and Papers

Omega - 212.30.41.20.03.001 · $3,550

This Omega Seamaster Professional Diver 300M is a sleek 2018 model featuring a 41mm stainless steel case, blue dial, and automatic 2500 Co-Axial movement.

Condition: Very good
Case size: 41mm diameter
Material: stainless steel
Bezel type: blue ceramic uni-directional

Posted at

Dec 6, 2025, 6:01 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra - Silver Wave - 2024

Omega - 23110422102006 · $4,350

Aqua Terra 'wave dial' watch features a 41.5mm stainless steel case, silver wave-patterned dial with rhodium-plated hands and indexes, and is powered by the Omega Master Co-Axial Calibre 8500.

Case size: 41.5mm
Bracelet material: stainless steel
Movement type: Omega Master Co-Axial Calibre 8500

Posted at

Dec 6, 2025, 4:52 PM

Active

View listing on r/WatchExchange