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

Omega Seamaster Diver 300 Sedna Gold 210.22.42.20.03.002 COMPLETE SET

Omega - 210.22.42.20.03.002 · $4,950

This Omega Seamaster Diver 300 Sedna Gold is a high-end dive watch with a gold case and band, featuring a complete set including warranty card.

Condition: Excellent
Payment Methods Accepted: crypto, other methods (with small fee)
Trade Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Strap Replaced: blue rubber with black Omega Seamaster strap

Posted at

Mar 20, 2026, 4:19 PM

Active

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Omega Seamaster 212.30.41.20.01.003 No wave dial COMPLETE SET

Omega - 212.30.41.20.01.003 · $2,950

For sale is an Omega Seamaster Diver reference 212.30.41.20.01.003, a complete set including warranty card dated 2014.

Condition: great condition with some light signs of wear
Payment Methods Accepted: crypto and other payment methods
Warranty Card Date: 2014
Trade Brands Accepted: Tudor, Cartier, Rolex, Omega, Breitling, AP

Posted at

Mar 20, 2026, 4:16 PM

Active

View listing on r/WatchExchange

2023 Omega Seamaster Professional 300 42mm Black Dial Complete Set

Omega - 210.30.42.20.01.001 · $3,900

a 2023 Omega Seamaster SMP 300 with a black dial in great condition.

Condition: Great condition with wear marks
Year: 2023
Size: 42mm diameter
Warranty life left: About half

Posted at

Mar 20, 2026, 4:03 PM

Active

View listing on r/WatchExchange

BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,399

Omega - 210.30.42.20.04.001 · $5,399

Up for sale is the Omega Seamaster Diver 300M, featuring a black ceramic bezel with a white enamel diving scale and a polished white ceramic dial.

Condition: Brand new in box with no issues
Case diameter: 42mm
Lug width: 20mm
Water resistance: 300m depth rating

Posted at

Mar 20, 2026, 12:36 PM

Active

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Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200

A versatile Omega Seamaster Aqua Terra Annual Calendar watch with a 38.5mm stainless steel case and blue dial, featuring an annual calendar complication and Co-Axial calibre 8601.

Condition: Excellent
Case size: 38.5mm diameter
Movement: Omega Co-Axial calibre 8601

Posted at

Mar 20, 2026, 12:36 PM

Active

View listing on r/WatchExchange