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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This is a previous-generation 41mm ceramic Omega Seamaster Professional 300M that wears noticeably slimmer than the current generation, with a modern ceramic bezel and dial.

Condition: Good overall condition with normal wear consistent with use
Case diameter: 41 mm
Thickness: 12.8 mm
Lug width: 20 mm

Posted at

Feb 15, 2026, 2:29 PM

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Case size: 38.5mm
Movement type: quartz
Bracelet type: original

Posted at

Feb 15, 2026, 1:49 PM

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Wrist size suitability: 7.25 inch
Additional links: 3 (2 full + 1 half)
Bezel condition: Loose

Posted at

Feb 15, 2026, 11:20 AM

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Condition: Fantastic condition with minor hairlines
Case size: 45.5mm diameter
Water resistance: 600m

Posted at

Feb 15, 2026, 9:46 AM

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Condition: Fantastic condition with minor hairlines
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Posted at

Feb 15, 2026, 9:38 AM

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Omega - 165.002 · $625

A 1968 Omega Seamaster Geneve reference 165.002 featuring a stainless steel case with a case size of 35mm. The watch has been recently serviced and is working perfectly fine.

Condition: Good, with a few scratches on the case and signs of aging on the dial
Case Size: 35mm diameter
Movement Calibre: 552
Serviced: yes, recently serviced

Posted at

Feb 15, 2026, 8:52 AM

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EXCELLENT OMEGA Seamaster Diver James Bond Blue Dial 300M 212.30.41.20.03.001

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Condition: Excellent, minor scratches
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Case Material: stainless steel
Bracelet Band: stainless steel

Posted at

Feb 14, 2026, 9:15 PM

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Omega - 231.10.39.21.03.001 · $4,000

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Condition: Excellent
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Case size: 38.5mm diameter
Water resistance: 150m

Posted at

Feb 14, 2026, 6:22 PM

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