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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A quartz Omega Seamaster 300m with a 41mm case and full size bracelet.

Condition: Good, with some light scratches on the bracelet
Movement: quartz movement
Case size: 41mm diameter
Bracelet type: full size

Posted at

Oct 23, 2025, 10:29 AM

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The Omega Seamaster Professional Ref. 2230.50 features a black wave-pattern dial, applied hour markers, and solid white-gold bezel insert, powered by the Omega Calibre 1120 Chronometer movement and rated to 300 m / 1000 ft.

Condition: Excellent overall with light surface hairlines on case and bracelet from careful use; no dents, dings, or deep scratches.
Water resistance: 300m/1000ft
Box and accessories included: true
Wrist size: approximately 7.5+ inch

Posted at

Oct 23, 2025, 9:55 AM

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Omega Seamaster Planet Ocean 2200.50 – 45.5mm Co-Axial – Box & Papers 💥 – $2,799 Shipped

Omega - 2200.50 · $2,799

The Omega Seamaster Planet Ocean Ref. 2200.50 is a Co-Axial dive model featuring a matte black dial with luminous broad-arrow hands, applied indices, and glossy black bezel.

Condition: Excellent overall with light surface hairlines on case and bracelet from normal wear
Case size: 45.5mm diameter
Water resistance: 600m / 2000ft depth rating

Posted at

Oct 23, 2025, 9:53 AM

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Omega Seamaster Professional 41mm 212.30.41.20.03.001 - 2022 Box and Papers

Omega - 212.30.41.20.03.001 · $3,350

2022 Omega Seamaster Professional 300m, 42mm, with great condition and full accessories.

Condition: Pre-Owned, wear on bracelet and polished parts of case

Posted at

Oct 23, 2025, 1:32 AM

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Omega Seamaster Professional 300m 42mm 210.30.42.20.03.001 - 2024 Box and Papers

Omega - 210.30.42.20.03.001 · $4,300

2024 Omega Seamaster Professional 300m 42mm in great condition, with service history unknown and a -3 seconds/day accuracy.

Condition: Pre-Owned, Great condition with slight wear on bracelet and case
Case size: 42mm diameter
Bracelet links: 11.5 links
Depth rating: 300m water resistance

Posted at

Oct 23, 2025, 1:28 AM

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Omega Seamaster 300M Blue - $3950

Omega - 210.30.42.20.03.001 · $3,950

This Omega Seamaster Professional 300M features a blue dial and comes as a full kit, including original box, papers, and warranty card. The watch is in excellent shape and runs perfectly.

Condition: great condition with minor signs of wear on the clasp
Case size: 42mm diameter
Water resistance: 300m depth rating

Posted at

Oct 23, 2025, 12:47 AM

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Omega Seamaster 2236.50 White Gold Bezel 36mm Full Kit - $1,950

Omega - 2236.50 · $1,950

Up for sale is my great condition Omega Seamaster 2236.50. This watch measures at 36mm and has an Omega Calibre 1120 automatic movement.

Condition: Very good condition, minor wear and patina on hands
Case material: Steel
Bracelet material: Omega steel
Bezel material: White gold

Posted at

Oct 22, 2025, 10:34 PM

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Omega Seamaster 42mm Bracelet (Latest Version for 20mm Band Width) - $550

Omega - 42mm Seamaster (Latest Version for 20mm Band Width) · $550

Up for sale is my spare Omega SMP bracelet fit for the latest 42mm versions.

Condition: Like new, 9.5/10 condition
Shipping: Fedex Priority Shipping from the Philippines (3-5 days globally)
Inclusions: Original bracelet with links
Payment methods: Paypal, Wise, direct to bank transfer, crypto via USDC

Posted at

Oct 22, 2025, 10:12 PM

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Omega Seamaster 166.0277 , Serviced - $550

Omega - 166.0277 · $550

Up for sale is my good condition Omega Seamaster 166.0277, measuring at 33mm with an automatic movement.

Condition: Good condition, some discoloration/peeling on the gold plating and patina present on the hands and dial.
Case size: 33mm diameter
Movement type: automatic

Posted at

Oct 22, 2025, 9:52 PM

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View listing on r/WatchExchange