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 Aqua Terra 41.5mm "Spectre" Blue - 231.10.42.21.03.003

Omega - 231.10.42.21.03.003 · $3,695

The Omega Seamaster Aqua Terra 41.5mm 'Spectre' Blue features a blue dial and is offered in excellent pre-owned condition. The watch has been well-maintained and is still fully functional.

Condition: Pre-owned, great condition with light wear and minor markings on the crystal
Diameter: 41.5mm
Bracelet links: Center links brushed instead of polished

Posted at

May 10, 2026, 5:58 PM

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2026 Full Set Omega Seamaster Railmaster 235.10.38.20.06.001

Omega - 235.10.38.20.06.001 · $4,299

A 2026 Omega Railmaster with a 38mm steel case and gray gradient dial, complete with a full set of accessories.

Condition: Excellent pre-owned condition
Case size: 38mm diameter
Bracelet material: steel
Dial color: gray gradient

Posted at

May 10, 2026, 2:46 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.50.00 42mm — First Gen PO, Full Set, Daniel Craig Bond Era — $2,999 Shipped (Tariff Covered)

A first generation Planet Ocean from the early Daniel Craig James Bond era, featuring a classic black dial with oversized Arabic numerals and a reliable Co-Axial Cal. 2500 chronometer movement.

Posted at

May 10, 2026, 1:13 PM

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Omega Seamaster Planet Ocean Chronograph Ref: 2918.50.82

Omega - 2918.50.82 · $3,200

This Omega Seamaster Planet Ocean Chronograph is for sale, featuring a chronograph function and other advanced features.

Posted at

May 10, 2026, 12:02 PM

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Omega Seamaster Planet Ocean 600M (215.30.44.21.01.001)

Omega - 215.30.44.21.01.001 · $4,475

This Omega Seamaster Planet Ocean 600M features a black dial on a steel bracelet. The watch is discontinued with boxes, booklet, and warranty card dated 6/9/2023.

Condition: Excellent condition with a few light marks
Case Size: 43.5mm diameter
Bracelet Material: Stainless Steel
Crystal: Sapphire

Posted at

May 10, 2026, 11:46 AM

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[US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

Omega - 210.20.42.20.03.002 · $6,950

Up for sale is an Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm watch that functions perfectly mechanically without issue.

Condition: Fantastic with minor hairlines
Case Size: 42mm

Posted at

May 10, 2026, 9:35 AM

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[wts] Omega Seamaster Professional co-axial 300m 41mm 212.30.41.20.01.003 Black no wave dial with box, pictogram card, ebay authenticity card, extra Zealande rubber strap, and manual. $2900 shipped. Repost and Price Drop

Omega Seamaster Professional co-axial 300m 41mm 212.30.41.20.01.003 Black no wave dial with box, pictogram card, ebay authenticity card, extra Zealande rubber strap, and manual. $2900 shipped. Repost and Price Drop

Omega - 212.30.41.20.01.003 · $2,900

This Omega Seamaster Diver 300m is a great versatile diver and daily watch with a 41mm ink black dial and date at 3, featuring an automatic co-axial movement and helium escape valve.

Condition: Used
Bracelet condition: Sign of wear throughout
Bezel condition: Good
Crystal condition: Good

Posted at

May 10, 2026, 9:24 AM

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