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
60

Current Listings

[WTS] OMEGA SEAMASTER 300 Watchco 165.024 166.0324 cal.552 w/ oem bracelet

OMEGA SEAMASTER 300 Watchco 165.024 166.0324 cal.552 w/ oem bracelet

Omega - 165.024 166.0324 cal.552 · $5,995
This is a legendary Watchco Omega Seamaster, one of only a handful of NOS examples in the world at the time. It has been owned for 5 years and was last serviced when purchased.

  • Condition: Pre-owned with minor scratches/scuffs
  • Bracelet origin: Lewis Jewelers in Ann Arbor, MI
  • Clasp condition: light 'desk diving' scuffs
  • Crystal condition: some scuffs (buffable with Polywatch)
Posted at
Jan 3, 2026, 2:40 PM
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[WTS] Omega Seamaster James Bond 007 - Commander Limited Edition - 212.32.41.20.04.001 - Price Reduced!

Omega Seamaster James Bond 007 - Commander Limited Edition - 212.32.41.20.04.001 - Price Reduced!

Omega - 212.32.41.20.04.001 · $4,295
This limited edition Omega Seamaster James Bond 007 Commanders set comes in good condition, with a clean crystal and bezel.

  • Condition: Pre-owned with light wear
  • Case condition: Good
  • Bezel and crystal condition: Clean
Posted at
Jan 3, 2026, 1:30 PM
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[WTS] Omega Seamaster Professional 300m - 2230.50 - Price Reduced

Omega Seamaster Professional 300m - 2230.50 - Price Reduced

Omega - 2230.50 · $2,695
This Omega Seamaster Professional 300m is in overall great shape, with minimal wear and a stainless steel case featuring a white gold bezel.

  • Condition: great shape, minimal wear
  • Lug Width: 20mm
  • Case Material: stainless steel
  • Bezel Material: white gold
Posted at
Jan 3, 2026, 1:28 PM
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[WTS] Omega Seamaster Professional 41mm - 2254.50

Omega Seamaster Professional 41mm - 2254.50

Omega - 2254.50 · $2,995
Up for sale is my great condition Omega Seamaster 2254.50 41mm Automatic Peter Blake. Watch has very minimal hairlines throughout, but overall in stunning shape.

  • Condition: great condition
  • Case size: 41mm
  • Bracelet size: 7-7.25 inch wrist
  • Payment methods: Zelle, Bank wire, or Paypal (for buyers with strong transaction history)
Posted at
Jan 3, 2026, 1:17 PM
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[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,850
This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement and is water resistant up to 150m.

  • Calibre: Calibre 8500 Co-Axial
  • Bracelet length: 7.25 inches
  • Case size: 38.5mm
Posted at
Jan 3, 2026, 12:25 PM
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View listing on r/WatchExchange
[WTS] Omega Seamaster Professional. 41mm. Automatic.

Omega Seamaster Professional. 41mm. Automatic.

Omega - Seamaster Professional · $1,895
A Chronograph Automatic Omega Seamaster Professional in 41mm size is being sold.

  • Size: 41mm diameter
  • Movement type: automatic
Posted at
Jan 3, 2026, 12:09 PM
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[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.01.001

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.01.001

Omega - 231.10.39.21.01.001 · $2,850
This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement, a 38.5mm case, and a 7.25 inch bracelet.

  • Case size: 38.5mm diameter
  • Water resistance: 150m
Posted at
Jan 3, 2026, 11:36 AM
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[WTS] Omega Seamaster ‘Ribbon’ Tapestry Dial With Hexagon Gemstone Markers - Reference 14762 Chubby Lugs - Cal. 562 Automatic Semi-Quickset Date - From 1962 - $950

Omega Seamaster ‘Ribbon’ Tapestry Dial With Hexagon Gemstone Markers - Reference 14762 Chubby Lugs - Cal. 562 Automatic Semi-Quickset Date - From 1962 - $950

Omega - 14762 · $950
This Omega Seamaster features a unique 'ribbon' or 'tapestry' dial with elongated hexagon hour markers, powered by the caliber 562 automatic movement. The vertically-striped design gives a 3D-like effect and is paired with applied gemstone-style hour markers.

  • Case Size: 34.5mm
  • Movement Type: Cal. 562 Automatic Semi-Quickset Date
  • Crystal: Original Crystal Glass
Posted at
Jan 3, 2026, 10:59 AM
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[WTS] Omega Seamaster Cosmic Geometric Case With ’Türler’ Dial - Reference 166.022 Original Brick Bracelet - Cal. 565 Automatic Quickset Date - From 1968 - $900

Omega Seamaster Cosmic Geometric Case With ’Türler’ Dial - Reference 166.022 Original Brick Bracelet - Cal. 565 Automatic Quickset Date - From 1968 - $900

Omega - 166.022 · $900
This Omega Seamaster Cosmic features a retro-futuristic design with a unique geometrical case and a well-preserved off-white sunburst dial. The watch comes with its original brick style bracelet and correct end links, and is powered by the excellent caliber 565 automatic movement.

  • Condition: Excellent condition
  • Movement: Cal. 565 automatic quickset date movement
  • Bracelet Length: Up to approximately 18.5cm (with removable links)
  • Case Dimension: 35mm diameter
Posted at
Jan 3, 2026, 10:55 AM
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