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 Black dial 212.30.41.20.01.003 Full Set

Omega Seamaster Black dial 212.30.41.20.01.003 Full Set

a 2017 Omega Seamaster Black Dial, Full Set, with a 41mm diameter.

  • Bracelet type: stainless steel
  • Rubber strap colors: black and white
  • Case diameter: 41mm
Posted at
Feb 11, 2026, 5:15 PM
Active
[WTS] Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

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The Omega Seamaster 300 Heritage has a black dial with rich, glossy depth and broad arrow hands, paired with a steel case and matching bracelet for a solid, balanced look.

  • Condition: Excellent
  • Included Accessories: outer box, inner box, operating instructions, extra strap, card holder, warranty card, master chronometer card and pictograms card
  • Shipping Method: free overnight CONUS insured shipping
Posted at
Feb 11, 2026, 2:56 PM
Active
[WTS] 1969 Omega Seamaster De Ville

1969 Omega Seamaster De Ville

A 1969 Omega SeaMaster De Ville in good working condition, previously owned by the seller's late father.

  • Condition: good working condition
Posted at
Feb 11, 2026, 1:27 PM
Active
[WTS] Omega Seamaster Professional 300 36.25mm 2253.80 $1999 Shipped

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Omega - 2253.80 · $1,999
A 2006 Omega Seamaster Professional 300 that has been the owner's daily driver for two years, showing its use but still keeping accurate time.

  • Condition: Used with some wear
  • Age: 15 years old (birth year watch)
  • Case size: 36.25mm
  • Water resistance: unknown
Posted at
Feb 11, 2026, 12:04 PM
Active
[WTS] Omega Seamaster full set

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Omega - Seamaster · $4,000
This Omega Seamaster is being sold with its original box and papers, along with a rubber and NATO strap. It also comes with some additional Omega accessories.

  • Condition: Pre-owned
  • Warranty Years Left: 4
  • Warranty Type: Manufacturer's
  • Accuracy: -3 seconds per day
Posted at
Feb 11, 2026, 8:22 AM
Active
[WTS] Omega Seamaster Professional OEM Rubber Strap – Black – 20mm – Includes Omega Buckle

Omega Seamaster Professional OEM Rubber Strap – Black – 20mm – Includes Omega Buckle

A genuine Omega OEM medium black rubber strap for the Seamaster Professional, made with supple rubber and a stainless steel signed pin buckle. The strap is pre-owned but in good condition with light wear and minimal signs of use.

  • Condition: Pre-owned, good condition
  • Lug width: 20mm
  • Color: Black
Posted at
Feb 11, 2026, 8:18 AM
Active
[WTS] Omega Seamaster Classic Sunburst Dial - Reference 168.024 Chronometer Automatic - Cal. 564 Automatic Quickset Date - From 1969 - $1350 Shipped, Duties Covered

Omega Seamaster Classic Sunburst Dial - Reference 168.024 Chronometer Automatic - Cal. 564 Automatic Quickset Date - From 1969 - $1350 Shipped, Duties Covered

Omega - 168.024 · $1,350
A 1969 Omega Seamaster with chronometer-rated Cal. 564 automatic movement and sunburst dial, featuring a timeless design suitable for everyday wear.

  • Condition: Excellent, untouched condition with brushed case sides and sharp Seamaster logo on the case back
  • Movement: Caliber 564 Automatic Quickset Date
  • Year of manufacture: 1969
Posted at
Feb 11, 2026, 5:06 AM
Active
[WTS] Omega Seamaster Diver 300M Blue Wave – Mint – Full Set – Warranty 2021 $4450

Omega Seamaster Diver 300M Blue Wave – Mint – Full Set – Warranty 2021 $4450

Up for sale is an Omega Seamaster Diver 300M with a 42mm stainless steel case, blue ceramic bezel, and blue wave dial on bracelet.

  • Condition: Mint condition
  • Case size: 42mm diameter
  • Movement: Master Chronometer Cal. 8800
  • Warranty valid until: November 2026
Posted at
Feb 11, 2026, 2:39 AM
Active
[WTS] 1960s Omega Seamaster 165.001

1960s Omega Seamaster 165.001

Omega - 165.001 · $850
A 1960s Omega Seamaster automatic watch in good condition, featuring an aftermarket crown and band.

  • Condition: great working condition
  • Year: 1960s
Posted at
Feb 10, 2026, 9:59 PM
Active