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 300M Professional No-Date 馃敟Excellent 2025 Full Kit

OMEGA Seamaster 300M Professional No-Date 馃敟Excellent 2025 Full Kit

OMEGA - 210.32.42.20.01.003 $5,199
This Omega Seamaster 300M Professional No-Date is a new model that was launched last year, featuring a 42mm case and 300m water resistance.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
May 3, 2026, 10:16 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.51 42mm Box and Card - $2,850

Omega Seamaster Planet Ocean 2201.51 42mm Box and Card - $2,850

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.51, measuring at 42mm with an automatic Omega Calibre 2500 movement. It has a steel case on original Omega steel bracelet and comes in double box, cards, manual, and watch on original bracelet.

  • Condition: Very good condition for its age with minimal marks/hairlines
  • Case size: 42mm diameter
  • Bracelet length: fits up to 7-7.25 inch wrists
  • Movement type: automatic
Posted at
May 3, 2026, 9:00 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,650 - US BASED!

Omega Seamaster Planet Ocean 2201.50 42mm - $2,650 - US BASED!

Omega - 2201.50 $2,650
Up for sale is my Omega Seamaster Planet Ocean 2201.50 in great condition for its age, measuring at 42mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition, minimal marks/hairlines on case and bracelet
  • Movement: Omega Calibre 2500, automatic
  • Bracelet length: not specified
Posted at
May 3, 2026, 8:52 PM
Active
[WTS] Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega - 2504.50 $2,490
Up for sale is my Omega Seamaster Aqua Terra 2504.50.00, a great condition automatic watch measuring 36mm.

  • Condition: Great condition with minor patina on dial indices and hands, dust, and handprints
  • Case material: Steel
  • Bracelet material: Original Omega Steel bracelet
  • Crystal type: Sapphire crystal
Posted at
May 3, 2026, 8:37 PM
Active
[WTS] Serviced Omega Seamaster Planet Ocean 2201.50 (Gen 1) 42mm

Serviced Omega Seamaster Planet Ocean 2201.50 (Gen 1) 42mm

Omega - 2201.50 $3,850
First generation Omega Seamaster Planet Ocean 42mm in great condition, running well, with a few minor marks on the clasp and lug.

  • Condition: Extremely good condition, minimal marks and swirls
  • Movement: 2500C
  • Bracelet size: 7.25 inch
  • Additional strap and buckle: Omega OEM rubber strap and buckle
Posted at
May 3, 2026, 7:39 PM
Active
1967 Omega Seamaster 35mm Vintage Chronograph 321 Movement 105.005 Grains of Rice

1967 Omega Seamaster 35mm Vintage Chronograph 321 Movement 105.005 Grains of Rice

Omega - 105.005 $7,500
A 1967 Omega Seamaster Chronograph with the legendary 321 movement, featuring a 'grains of rice' OEM Omega bracelet and tritium luminescence.

  • Condition: Fantastic shape cosmetically and mechanically
  • Movement: 321
  • Bracelet type: 'Grains of rice'
  • Case material:
Posted at
Apr 8, 2025, 1:27 PM
Active

(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set

The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.

  • Status: (SOLD)
Posted at
Apr 7, 2025, 10:22 AM
Active
Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

Omega - 210.30.42.20.01.010 $5,995
This Omega Seamaster 300M features a 42mm stainless steel case with a black aluminum dial and mesh bracelet, powered by the Master Co-Axial Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: 8806 Master Co-Axial
Posted at
Apr 6, 2025, 4:26 PM
Active
Omega Seamaster Professional 300m Diver Blue Dial/Bezel

Omega Seamaster Professional 300m Diver Blue Dial/Bezel

Omega - 210.30.42.20.03.001 $4,650
This Omega Seamaster Professional is a 42mm diver's watch with a blue ceramic dial and bezel, featuring an automatic movement with a 55-hour power reserve.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Thickness: 14mm
  • Lug width: 20mm
Posted at
Apr 6, 2025, 8:49 AM
Active