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

[WTS] Omega Seamaster White Sunburst Dial - Reference 168.024 Chronometer Automatic - Cal. 564 Automatic Quickset Date - From 1969 - $1400 Shipped, All Duties Covered

Omega Seamaster White Sunburst Dial - Reference 168.024 Chronometer Automatic - Cal. 564 Automatic Quickset Date - From 1969 - $1400 Shipped, All Duties Covered

Omega - 168.024 · $1,400
A vintage Omega Seamaster with a chronometer-rated caliber 564 automatic movement and a white sunburst dial. The watch has developed a subtle 'champagne' tint over the decades, adding depth to the dial.

  • Condition: Excellent condition, recently serviced
  • Case size: 35mm diameter
  • Movement: Caliber 564 automatic movement
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Feb 7, 2026, 8:21 AM
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[WTS] Omega Seamaster Diver 300M 007 Edition (210.90.42.20.01.001)

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  • Model name: Seamaster Diver 300M 007 Edition
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[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

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  • Condition: exceptional
  • Warranty Valid Until: NOV 2027
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Feb 7, 2026, 1:46 AM
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[wts] Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

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Additional Details: Model: Omega Seamaster Planet Ocean 8500 45.5mm, a 42-45mm watch with various features such as date display and unidirectional rotating bezel.

  • Condition: great condition
  • Case Diameter: 45.5mm
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Feb 7, 2026, 1:26 AM
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[wts] Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

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  • Condition: Excellent condition and full set
  • Case Size: 45.5mm diameter
Posted at
Feb 7, 2026, 1:25 AM
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[WTS] Omega Seamaster Aqua Terra Worldtimer | Ref. 220.12.43.22.03.001 | 2024 | Full Set | Like New

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This Omega Seamaster Aqua Terra Worldtimer features a striking blue dial with a laser-ablated globe at the center, surrounded by 24-hour and global city rings for simultaneous reading of time zones worldwide.

  • Condition: Like New
  • Case size: 43mm diameter
  • Dial color: blue
  • Water resistance: 150m depth rating
Posted at
Feb 7, 2026, 1:12 AM
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[WTS] Omega Seamaster Aqua Terra 150M “Spectre” Blue Dial – 41.5mm Ref: 231.10.42.21.03.003 Full Set 2020 Mint Condition

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This Aqua Terra 'Spectre' configuration features a strong 41.5mm case with a blue teak dial, powered by the reliable in-house Calibre 8500. It's suitable for daily wear and offers excellent magnetic resistance.

  • Condition: Excellent condition
  • Dial color: blue
  • Case size: 41.5mm
  • Water resistance: 150m
Posted at
Feb 6, 2026, 10:19 PM
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[WTS] Omega Seamaster Deville, 1975, all original, gold filled

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Omega - c6336 · $800
1975 Omega Seamaster Deville with an all-gold filled case and a beads or rice bracelet.

  • Condition: pre-owned with recent service
  • Bracelet type: beads or rice
  • Case diameter: 35mm
  • Lug width: 18mm
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Feb 6, 2026, 10:18 PM
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[WTS] Omega Seamaster Planet Ocean 600M 45.5mm $2,250

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Selling an Omega Seamaster Planet Ocean 600M with excellent timegraphers and little signs of use. It fits a 19cm wrist.

  • Condition: Excellent condition, freshly polished
  • Case Size: 45.5mm diameter
  • Wrist Size Fit: approximately 19cm
  • Shipping Origin: Singapore
Posted at
Feb 6, 2026, 9:44 PM
Active