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] 2021 Omega Seamaster Diver 300M 42mm 210.30.42.20.03.001 Full Set

2021 Omega Seamaster Diver 300M 42mm 210.30.42.20.03.001 Full Set

Omega - 210.30.42.20.03.001 路 $4,595
A modern, high-performance dive watch with iconic Seamaster styling, featuring a blue wave dial and steel bracelet.

  • Condition: Excellent
  • Year: 2021
  • Contents: Complete set with serialized hang tag
  • Shipping: FedEx fully insured PM
Posted at
Feb 9, 2026, 12:39 PM
Active
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[WTS] 1963 Vintage Omega Seamaster 135.003-62-SC 35mm w/box.

1963 Vintage Omega Seamaster 135.003-62-SC 35mm w/box.

Omega - 135.003-62-SC 路 $1,300
1963 Omega Seamaster vintage watch with a carbon fiber dial, 35mm diameter, and comes with extra strap, buckle, and an Omega box.

  • Condition: Good condition
  • Size: 35mm diameter
  • Box: yes
Posted at
Feb 9, 2026, 7:20 AM
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[WTS] Omega Seamaster Planet Ocean Good Planet Foundation Ref: 232.32.44.22.03.001 | Full Set

Omega Seamaster Planet Ocean Good Planet Foundation Ref: 232.32.44.22.03.001 | Full Set

Omega - 232.32.44.22.03.001 路 $4,500
The Omega Seamaster Planet Ocean 600M 'Good Planet' is a stainless steel watch with a vibrant blue dial, polished blue ceramic bezel, and distinctive orange GMT accents.

  • Case Diameter: 43.5 mm
  • Thickness: 17.25 mm
  • Lug Width: 21 mm
Posted at
Feb 8, 2026, 11:19 PM
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[WTS] OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 馃敟$12,250馃敟

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 馃敟$12,250馃敟

OMEGA - 215.30.46.21.03.002 路 $12,250
This OMEGA Seamaster Planet Ocean 6000M Ultra Deep represents the pinnacle of deep-sea engineering, with a massive 45.5mm case crafted from high-grade stainless steel and a lacquered dial featuring a gradient finish that transitions from blue to black.

  • Condition: UNWORN
  • Case material: O-MEGASTEEL
  • Diameter: 45.5mm
  • Water resistance: 6000m
Posted at
Feb 8, 2026, 7:42 PM
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[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 馃敟$4,150馃敟

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 馃敟$4,150馃敟

OMEGA - 232.32.42.21.01.003 路 $4,150
A robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering, featuring a Co-Axial Caliber 8500 movement, water-resistant up to 600 meters, and helium escape valve.

  • Condition: VERY GOOD, with few superficial scratches on case
  • Case material: stainless steel
  • Case diameter: 42mm
  • Movement: Co-Axial Caliber 8500
Posted at
Feb 8, 2026, 7:40 PM
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[WTS] OMEGA Seamaster Bullhead Co-Axial Chronograph Ref. 225.12.43.50.01.001 - ULTIMATE SET! 馃敟$10,500馃敟

OMEGA Seamaster Bullhead Co-Axial Chronograph Ref. 225.12.43.50.01.001 - ULTIMATE SET! 馃敟$10,500馃敟

OMEGA - 225.12.43.50.01.001 路 $10,500
The OMEGA Seamaster Bullhead Ref. 225.12.43.50.01.001 is a cult classic reborn, paying tribute to the iconic 1969 original with its distinctive shield-shaped case and unique configuration.

  • Condition: UNWORN
  • Case size: 43mm
  • Movement: Co-Axial Calibre 3113 automatic movement
Posted at
Feb 8, 2026, 7:39 PM
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[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 馃敟$10,100馃敟

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 馃敟$10,100馃敟

OMEGA - 220.10.43.22.03.002 路 $10,100
A sophisticated travel companion with a 43mm stainless steel case, featuring a dial that captures the essence of a perfect day at sea, showcasing Earth on a grade 5 titanium plate.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet length: ~7in
Posted at
Feb 8, 2026, 7:36 PM
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[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 馃敟$6,300馃敟

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 馃敟$6,300馃敟

OMEGA - 220.10.38.20.13.003 路 $6,300
The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a stunning Terracotta dial, symmetrical case design, and polished brushed bracelet.

  • Condition: UNWORN
  • Dial color: Terracotta
  • Case size: 38mm diameter
  • Bracelet length: ~7 inch pre-sized
Posted at
Feb 8, 2026, 7:33 PM
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[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 馃敟$8,100馃敟

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 馃敟$8,100馃敟

OMEGA - 522.21.42.20.04.001 路 $8,100
The OMEGA Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case combining stainless steel with 18K Moonshine Gold. It has a white ceramic dial with polished waves and a custom 'Paris 2024' typography on the date disc.

  • Condition: UNWORN
  • Case material: stainless steel and 18K Moonshine Gold
  • Diameter: 42mm
  • Water resistance: 300m depth rating
Posted at
Feb 8, 2026, 7:31 PM
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