Omega Seamaster Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

Reference 511.13.40.20.04.002

Omega Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

About this watch

The Omega Seamaster Master Co-Axial 39.5 Singapore Edition is a masterpiece of horology, boasting exceptional craftsmanship and a unique story tied to the vibrant city of Singapore. This limited edition watch combines modern technology with classic design, making it a versatile companion for both formal and casual occasions. The stunning white dial features a glossy finish, stick and dot indexes, and Feuille hands that ensure readability while maintaining a sleek profile. The 39.5 mm stainless steel case strikes a perfect balance between boldness and wearability, paired with an alligator leather strap that enhances its luxurious feel. With a water resistance of up to 60 meters, this watch is more than just a pretty face, handling splashes and brief immersion while maintaining accuracy and performance even in challenging conditions. The Omega Seamaster Master Co-Axial 39.5 Singapore Edition stands tall in the realm of luxury watches, its blend of sophistication, precision, and limited availability making it a worthy addition to any collection.

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Key Features

Omega caliber 8800 self-winding movement
Co-Axial escapement reducing friction for longevity and reliability
55-hour power reserve
Chronometer certified by Swiss Federal Institute of Metrology (METAS)
Resistant to magnetic fields up to 15,000 gauss
Stainless steel case with sapphire crystal glass
39.5 mm diameter with 20 mm lug width
White dial with glossy finish and stick/dot indexes

Specifications

Brand

Omega

Family

Seamaster

Model

Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

Reference

511.13.40.20.04.002

Movement

8800

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Stainless Steel 39.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

Current Listings

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Omega - 2201.20 · $1,100

The Omega Seamaster is a working watch that fits around a 6.75 in wrist.

Size: fits around a 6.75 in wrist

Posted at

Feb 12, 2026, 2:32 PM

Active

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2020 Omega Seamaster Aqua Terra 42mm Spectre 007 James Bond LE 231.10.42.21.03.004 Full Set

Omega - 231.10.42.21.03.004 · $6,595

A 2020 Omega Seamaster Aqua Terra 42mm Spectre limited-edition model, created to celebrate James Bond's on-screen return in the 2015 film.

Condition: Excellent
Year: 2020
Edition: Spectre 007 James Bond LE

Posted at

Feb 12, 2026, 12:52 PM

Active

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Omega Seamaster Professional 300M Quartz 36mm $2,299

Omega - 212.30.36.61.01.001 · $2,299

The Omega Seamaster Diver 300M quartz is a durable, grab-and-go luxury timepiece featuring a black wave dial and aluminum bezel. It has a 36.25mm diameter, 18mm lug width, and 11.2mm thickness, making it suitable for smaller wrists or those preferring a less bulky diver.

Condition: Pre-owned with minor wear marks and a scratch on the bezel insert
Case diameter: 36.25mm
Dial color: Black
Water resistance: 300m depth rating

Posted at

Feb 12, 2026, 11:40 AM

Active

View listing on r/WatchExchange

Omega Seamaster GMT 50th Anniversary 2234.50 - $2,350 - Reserved for u/Old_Communication960

Omega - 2234.50 · $2,350

Up for sale is my great condition Omega Seamaster GMT 2234.50 41mm Automatic, with all functions working well and a steel case on original Omega steel bracelet.

Condition: Great condition (8.8/10)
Case size: 41mm diameter
Water resistance: unknown
Crystal material: Sapphire crystal

Posted at

Feb 11, 2026, 9:12 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.50 42mm - $2,390

Omega - Planet Ocean 2201.50 · $2,390

The Omega Seamaster Planet Ocean 2201.50 is a 42mm watch with an automatic movement and features a steel case on original Omega steel bracelet.

Condition: Very good condition, minimal marks on the case, caseback, and bracelet.
Movement: Automatic Omega Calibre 2500
Bracelet size: fits up to 7-7.25 inch wrists depending on wrist shape
Case size: 42mm

Posted at

Feb 11, 2026, 9:08 PM

Active

View listing on r/WatchExchange