Omega Seamaster Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

Reference 511.13.40.20.04.002

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
60

Current Listings

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Omega - Seamaster · $150
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  • Condition: Great
  • Material: Rubber
  • Length type: Normal
Posted at
May 14, 2026, 1:43 PM
Active
[WTS] Omega Seamaster Diver 300M (Black, 42 mm, steel on steel)

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For sale is an Omega Seamaster Diver 300M, a 42mm steel on steel watch with black dial and features from the manufacturer's 2023 product line.

  • Condition: Excellent condition
  • Case size: 42 mm
  • Band material: steel
  • Box and papers included: Full set
Posted at
May 14, 2026, 1:41 PM
Active
[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

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  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Warranty: International Warranty Card
Posted at
May 14, 2026, 12:50 PM
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[WTS] Vintage Omega Seamaster Bullhead 146.011 - Unpolished -Chocolate Tropical dial!

Vintage Omega Seamaster Bullhead 146.011 - Unpolished -Chocolate Tropical dial!

a vintage Omega Seamaster Bullhead with a chocolate tropical dial.

  • Condition: Unpolished
Posted at
May 14, 2026, 12:25 PM
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[WTS] Omega Seamaster Aqua Terra 2503.80.00 “First Gen” 39mm — Blue Sunburst Dial — Cal. 2500 Co-Axial — Fresh Service — $2,699 Shipped

Omega Seamaster Aqua Terra 2503.80.00 “First Gen” 39mm — Blue Sunburst Dial — Cal. 2500 Co-Axial — Fresh Service — $2,699 Shipped

A first-generation Omega Seamaster Aqua Terra with a beautiful blue sunburst dial and the reliable Cal. 2500 Co-Axial Chronometer movement.

Posted at
May 14, 2026, 11:43 AM
Active
[WTS] Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$4500 OBO

Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$4500 OBO

A Omega Seamaster Aqua Terra, case size is 41mm, available with box and papers.

  • Condition: Pre-owned
  • Case Size: 41mm
  • Box Card Papers: Yes (both included)
  • Model: Seamaster Aqua Terra
Posted at
May 14, 2026, 11:12 AM
Active
[WTS] 1969 Omega Seamaster Chronometer ref. 168.024 w/ Cal. 564, BOR 1036/511 - $1,290

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Omega - 168.024 · $1,290
A 1969 Omega Seamaster ref. 168.024, powered by the chronometer-rated Cal. 564 automatic movement, with an original silver sunburst dial and an Omega BOR bracelet.

  • Movement: Cal. 564 automatic chronometer movement
  • Bracelet length: fits around a 7.25" wrist
  • Case size: approx. 35mm diameter
Posted at
May 14, 2026, 9:23 AM
Active