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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Condition: great used condition with minor scuffs on the clasp and some links
Material: Grade 2 Titanium
Weight: 42 grams
Thickness: 2.7mm

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Dec 29, 2025, 5:01 PM

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The Omega Aqua Terra Worldtimer features a laser ablated world map dial and is powered by the Master Chronometer Worldtimer movement, allowing for global time tracking while being wearable on the wrist.

Condition: Very good
Case size: 43mm diameter
Bracelet condition: minor hairlines consistent with careful use

Posted at

Dec 29, 2025, 11:45 AM

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Omega - 2200.51 · $2,999

2010 Omega Seamaster Planet Ocean with box and cards, dated from 2010.

Condition: Good timegrapher numbers, last service unknown
Year: 2010
Set: Full set with box and cards

Posted at

Dec 29, 2025, 10:22 AM

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Omega - 2200.50 · $2,349

This Omega Seamaster Planet Ocean is a 45.5mm Co-Axial watch that shows heavy, honest wear throughout. It has a dent on the crown side of the case and a missing bezel click spring.

Condition: Fair / well-used
Case size: 45.5mm
Bracelet size: 7.75-8.0 inches
Dial condition: clean

Posted at

Dec 28, 2025, 9:37 PM

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Omega Seamaster “Seaweed” 210.32.42.20.10.001 - FULL SET - Near Mint

Omega - 210.32.42.20.10.001 · $4,750

The Omega Seamaster Diver 300M 'Seaweed' watch is a beautiful and functional timepiece designed for both men and women, featuring a green bezel, ocean wave dial pattern, and a stainless steel case.

Condition: Near Mint, great condition mechanically and cosmetically with some signs of wear
Movement: mechanical automatic
Water Resistance: up to 300m
Case Size: 42mm

Posted at

Dec 28, 2025, 8:09 PM

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View listing on r/WatchExchange