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 Aqua Terra “ James Bond Skyfall” Blue Dial – Ref. 231.10.39.21.03.001| Full Set in Mint Condition| 2022

Omega Seamaster Aqua Terra “ James Bond Skyfall” Blue Dial – Ref. 231.10.39.21.03.001| Full Set in Mint Condition| 2022

a luxury watch in the Omega Seamaster Aqua Terra collection, featuring a blue dial and 'James Bond Skyfall' edition.

  • Condition: Mint Condition
  • Year: 2022
Posted at
May 5, 2026, 11:05 AM
Active
[WTS] Omega Seamaster Professional midsize Ref. 2552.80 | Great Unpolished Condition | $2200 (SERVICED)

Omega Seamaster Professional midsize Ref. 2552.80 | Great Unpolished Condition | $2200 (SERVICED)

Omega - 2552.80 · $2,200
The Omega Seamaster Professional midsize is a compact and balanced watch that brings everything into harmony with its wearable design.

  • Condition: Great Unpolished Condition
  • Dimensions: 36.25mm width (excluding crown), ~11.5mm thickness, ~44mm lug-to-lug, 17cm/6.7in wrist size
  • Bracelet length: up to 17.8cm
Posted at
May 5, 2026, 9:45 AM
Active
[WTS] Omega Seamaster Calendar 2627 Goldcapped $990

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Omega - 2627 · $990
1952 goldcapped Omega Seamaster Calendar in great condition, featuring a stainless steel case with 14k layer, bumper movement and dauphine hands.

  • Condition: Great condition, some signs of wear
  • Case Size: 35mm
  • Lug To Lug: 41.5mm
  • Lug Width: 18mm
Posted at
May 5, 2026, 9:01 AM
Active
[WTS] 1958 Omega Seamaster Ref. 2846 w/ Cal 501 — Large Hippocampus Caseback — $950 OBO + label

1958 Omega Seamaster Ref. 2846 w/ Cal 501 — Large Hippocampus Caseback — $950 OBO + label

Omega - 2846 · $950
A 1958 Omega Seamaster Ref 2846 with Cal 501 automatic movement and large hippocampus caseback, featuring a stainless steel case and original silver sunburst dial.

  • Condition: good condition considering the age
  • Case diameter: 34.5mm
  • Movement type: automatic
Posted at
May 5, 2026, 7:17 AM
Active
[WTS] Omega Seamaster Aqua Terra 150m, 41mm (Ref: 220.10.41.21.02.004) Small Seconds.

Omega Seamaster Aqua Terra 150m, 41mm (Ref: 220.10.41.21.02.004) Small Seconds.

This Omega Seamaster Aqua Terra is a 41mm watch with a silver dial and blue accents, featuring a 150m water resistance.

  • Condition: lightly used with minor wear
  • Diameter: 41mm
  • Water Resistance: 150m
Posted at
May 5, 2026, 2:18 AM
Active
[WTS] Omega Seamaster 2232.80 41mm Electric Blue Full Titanium RARE - $2,490

Omega Seamaster 2232.80 41mm Electric Blue Full Titanium RARE - $2,490

Omega - 2232.80 · $2,490
Up for sale is my Omega Seamaster 2232.80 with a Calibre Omega 1120 automatic movement, measuring at 41mm.

  • Condition: great condition
  • Case size: 41mm
  • Bezel condition: light hairlines present on the titanium bezel
  • Bracelet type: original Omega titanium bracelet
Posted at
May 4, 2026, 10:40 PM
Active
[WTS] Omega Seamaster 2252.50 Mid Size Peter Blake 36mm - $2,390

Omega Seamaster 2252.50 Mid Size Peter Blake 36mm - $2,390

Omega - 2252.50 · $2,390
Up for sale is a great condition Omega Seamaster 2252.50 measuring at 36mm with Calibre Omega 1120 Automatic movement.

  • Condition: 8.8/10, great condition with minimal marks
  • Case size: 36mm
  • Movement: Calibre Omega 1120 Automatic
Posted at
May 4, 2026, 10:34 PM
Active
[WTS] Omega Seamaster 2531.80 41mm Bond Box and Card - $2,690

Omega Seamaster 2531.80 41mm Bond Box and Card - $2,690

Omega - 2531.80 · $2,690
The Omega Seamaster 2531.80 is a 41mm watch with an Omega Caliber 1120 self-winding movement. It has a steel case on original Omega steel bracelet and comes with a double box, card, and manual.

  • Condition: Very good condition
  • Bracelet size range: 7-7.25 inch wrists
  • Diameter: 41mm
Posted at
May 4, 2026, 10:24 PM
Active
[WTS] Vintage Omega Seamaster CK14710 - Cal. 501 Automatic

Vintage Omega Seamaster CK14710 - Cal. 501 Automatic

Omega - CK14710 · $1,200
A vintage Omega Seamaster from the early '60s, featuring a two-tone silver crosshair dial and an original Cal. 501 Automatic movement.

  • Condition: Running strong with unknown service history, some light wear and minor scratches
  • Movement Jewels: 20
  • Case Diameter: 35mm
  • Crystal Condition: light scratches
Posted at
May 4, 2026, 10:22 PM
Active