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 Automatic Day-Date TV Dial Ref. 166.02162

Omega Seamaster Automatic Day-Date TV Dial Ref. 166.02162

Omega - 166.02162 · $750
A vintage Omega Seamaster Automatic Day-Date ref. 166.02162 featuring a silver sunburst dial with applied baton markers, day-date complication, signed crown, and the original Omega bracelet.

  • Condition: vintage condition with normal signs of age and wear
  • Movement: Omega Automatic Day-Date
  • Dial: silver sunburst
  • Case shape: TV / cushion case
Posted at
May 11, 2026, 8:31 PM
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[WTS] REFERENCE PRICED Omega Seamaster Electric Blue 41mm Automatic $2,255.80 OBO

REFERENCE PRICED Omega Seamaster Electric Blue 41mm Automatic $2,255.80 OBO

Omega - 2255.80 · $2,255.8
A highly sought-after Omega Seamaster 300M in the iconic electric blue wave dial, featuring bold applied indices and sword hands. The watch presents well overall and keeps great time at 0-5s per day.

  • Condition: good condition with minor scratches throughout
  • Diameter: 41mm
  • Movement: automatic
Posted at
May 11, 2026, 6:44 PM
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[WTS] Omega Seamaster Aqua Terra - Black 39mm - 2503.50

Omega Seamaster Aqua Terra - Black 39mm - 2503.50

Omega - 2503.5 · $2,750
A 39mm Omega Seamaster Aqua Terra in black, with minor wear throughout and a small mark on the bezel/crystal near the 12 o'clock marker.

  • Condition: Pre-owned, minor wear throughout
  • Size: 39mm diameter
  • Bezel mark: small mark on bezel/crystal near the 12 o'clock marker
Posted at
May 11, 2026, 5:33 PM
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[WTS] Omega Seamaster Diver 300M Chronograph 44mm Blue Wave Dial – Box, Papers, Active Warranty – 210.30.44.51.03.001

Omega Seamaster Diver 300M Chronograph 44mm Blue Wave Dial – Box, Papers, Active Warranty – 210.30.44.51.03.001

Omega - 210.30.44.51.03.001 · $7,795
A modern icon built for both adventure and everyday wear, the Omega Seamaster Diver 300M Chronograph combines serious capability with unmistakable wrist presence.

  • Condition: Excellent pre-owned condition
  • Case Size: 44mm
  • Movement: Omega Caliber 9900, automatic Co-Axial Master Chronometer chronograph, 60-hour power reserve
  • Bracelet Links: 12 links fitting an 8-8.5" wrist
Posted at
May 11, 2026, 4:51 PM
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[WTS] Omega Seamaster Professional 300M - 41mm Non Wave - 212.30.41.20.01.003

Omega Seamaster Professional 300M - 41mm Non Wave - 212.30.41.20.01.003

Omega - 212.30.41.20.01.003 · $2,995
The Omega Seamaster Diver 300M No-Wave features a beautiful black lacquered dial and a 41mm case that is .6mm thinner than the newer Seamaster, making it wear smaller and more compact.

  • Condition: great preowned condition
  • Case size: 41mm
  • Thickness difference: .6mm thinner than the newer Seamaster
Posted at
May 11, 2026, 3:02 PM
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[WTS] Omega Seamaster Diver 300M – Electric Blue – Automatic 41mm – Solid Gold Bezel

Omega Seamaster Diver 300M – Electric Blue – Automatic 41mm – Solid Gold Bezel

Omega - 2455.80 · $4,250
This Omega Seamaster Diver 300M features an iconic two-tone design with a stainless steel case, raised yellow gold bezel, and electric blue dial. It has a water resistance of 300 meters and is powered by the Omega caliber 1120 automatic movement.

  • Condition: Excellent all around condition
  • Movement: Omega caliber 1120 automatic movement
  • Water resistance: 300 meters
  • Bracelet type: two tone bracelet
Posted at
May 11, 2026, 2:04 PM
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[WTS] Omega Seamaster Aqua Terra Rose Gold 38mm with box and papers

Omega Seamaster Aqua Terra Rose Gold 38mm with box and papers

Omega - 220.20.38.20.02.001 · $8,000
This Omega Seamaster Aqua Terra is a 38mm rose gold watch with a clean and balanced design, featuring stainless steel and rose gold accents that add depth and elegance.

  • Condition: Excellent
  • Case Size: 38mm diameter
  • Year: 2021 (dated December)
  • Box And Papers: complete set including warranty card, booklets, cloth bag, and all links
Posted at
May 11, 2026, 11:06 AM
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[WTS] Omega Seamaster Diver 300M 210.30.42.20.03.001 42mm Blue Dial Box Papers 2022

Omega Seamaster Diver 300M 210.30.42.20.03.001 42mm Blue Dial Box Papers 2022

Omega - 210.30.42.20.03.001 · $4,450
This Omega Seamaster Diver 300M features a polished blue ceramic dial, date window at 6 o'clock, and a 42mm stainless steel case. It is powered by the Calibre 8800, an automatic Co-Axial Master Chronometer with a 55-hour power reserve.

  • Condition: Excellent pre-owned condition with faint wear on the case and bracelet
  • Case size: 42mm
  • Diameter: 42mm
  • Water resistance depth rating: 300m
Posted at
May 11, 2026, 10:49 AM
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[WTS] Omega Seamaster 200 “Banana” 166.068 — Vintage Preowned Condition, Watch Only

Omega Seamaster 200 “Banana” 166.068 — Vintage Preowned Condition, Watch Only

Omega - 166.068 · $3,000
The Omega Seamaster 200 'Banana' is a distinctive vintage dive watch known for its bold yellow-toned rotating bezel insert.

  • Condition: Vintage preowned condition, healthy case, marks on the crystal, running great at +2 seconds per day
  • Case size: 41mm diameter, ~47mm lug to lug, 11.5mm thick
Posted at
May 11, 2026, 9:08 AM
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