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 Planet Ocean 37.5mm

Omega Seamaster Planet Ocean 37.5mm

Omega - 232.90.38.20.03.001 · $3,600
This Omega Seamaster Planet Ocean is a 37.5mm titanium watch that feels proportionate on smaller wrists while maintaining its character.

  • Condition: Honest wearable condition with minor marks on the bezel and crown
  • Movement: Omega 8520 Co-Axial Chronometer
  • Power reserve: 50 hours
  • Case material: Grade 5 Titanium
Posted at
May 21, 2026, 12:45 AM
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[WTS] Omega Seamaster Diver 300M -01/26 – Full Kit – $4,425 Shipped

Omega Seamaster Diver 300M -01/26 – Full Kit – $4,425 Shipped

Omega - Seamaster Diver 300M -01/26 · $4,425
This Omega Seamaster Diver 300M features a white wave dial and comes with a full kit, including inner/outer boxes, cards, manuals, and accessories. The watch is in very good condition with minimal marks on the case and bezel.

  • Condition: Very good pre-owned condition
  • Case size: 40mm diameter
  • Water resistance: 300m
Posted at
May 21, 2026, 12:31 AM
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[WTS] Omega Seamaster Diver 300 M l Blue dial 42MM l 210.32.42.20.03.001 Full Set

Omega Seamaster Diver 300 M l Blue dial 42MM l 210.32.42.20.03.001 Full Set

Omega - 210.32.42.20.03.001 · $4,175
This Omega Seamaster Diver 300 M features a blue ceramic bezel and dial, with laser-engraved waves and a date window at 6 o'clock.

  • Case size: 42mm
  • Bezel material: blue ceramic
  • Dial color: polished blue ceramic
Posted at
May 21, 2026, 12:03 AM
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[WTS] Omega Seamaster 300 Heritage 234.30.41.21.01.001 Full Set (2022) – Very Good Condition

Omega Seamaster 300 Heritage 234.30.41.21.01.001 Full Set (2022) – Very Good Condition

Omega - 234.30.41.21.01.001 · $4,699
This Omega Seamaster 300 Heritage features a classic vintage-inspired design, black dial, and in-house Co-Axial Master Chronometer movement.

  • Condition: Very good condition
  • Movement: in-house Co-Axial Master Chronometer
  • Bracelet condition: some cosmetic wear consistent with normal use
Posted at
May 20, 2026, 11:31 PM
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[WTS] Omega Seamaster Diver 300M Ref. 212.30.41.20.03.001 Box & Papers Very Good Condition

Omega Seamaster Diver 300M Ref. 212.30.41.20.03.001 Box & Papers Very Good Condition

Omega - 212.30.41.20.03.001 · $3,299
This Omega Seamaster Diver features a blue wave dial and ceramic bezel with an iconic design.

  • Condition: Very good condition overall
  • Box Papers: Yes, includes original inner box, warranty card, manual, pictograms card, and full links
  • Movement: Co-Axial automatic
Posted at
May 20, 2026, 11:10 PM
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[WTS] Omega Seamaster Diver 300 M l Blue dial 42MM l 210.32.42.20.03.001 Full Set $4175

Omega Seamaster Diver 300 M l Blue dial 42MM l 210.32.42.20.03.001 Full Set $4175

Omega - 210.32.42.20.03.001 · $4,175
This is a stainless steel Omega Seamaster Diver 300 M with a blue ceramic bezel and dial, featuring laser-engraved waves and a date window at 6 o'clock.

  • Case material: stainless steel
  • Bezel material: blue ceramic
  • Dial color: polished blue ceramic
Posted at
May 20, 2026, 10:11 PM
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[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,590

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,590

Omega - 231.10.39.21.01.001 · $2,590
Up for sale is my great condition Omega Seamaster Aqua Terra, measuring at 38.5mm and featuring an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition, minor marks/hairlines
  • Case size: 38.5mm diameter
  • Movement: automatic Omega Calibre 8500
  • Bracelet: original Omega steel bracelet
Posted at
May 20, 2026, 9:55 PM
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[WTS] Omega Seamaster 212.30.41, 41mm No Wave Blue Dial - $2,750

Omega Seamaster 212.30.41, 41mm No Wave Blue Dial - $2,750

Omega - 212.30.41.20.03.001 · $2,750
Up for sale is my Omega Seamaster 212.30.41.20.03.001, a 41mm automatic watch with an Omega Calibre 2500 movement.

  • Condition: Great condition with minimal marks/hairlines on the case, caseback, and bracelet
  • Case size: 41mm
  • Movement type: Automatic Omega Calibre 2500
Posted at
May 20, 2026, 9:47 PM
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[WTS] Omega Seamaster Aqua Terra 39mm | Ref. 2503.3 | Cal. 2500 Co-Axial Chronometer | Silver Dial | $2,150 REDUCED PRICE

Omega Seamaster Aqua Terra 39mm | Ref. 2503.3 | Cal. 2500 Co-Axial Chronometer | Silver Dial | $2,150 REDUCED PRICE

Omega - 2503.3 · $2,150
This Omega Seamaster Aqua Terra Co-Axial Chronometer measures 39mm in stainless steel and is powered by Omega's Caliber 2500 Co-Axial automatic movement, COSC-certified to +6/-4 seconds per day precision. It features a silver dial with raised index hour markers and luminous hands.

  • Condition: Great condition
  • Movement: Caliber 2500 Co-Axial automatic movement (COSC-certified)
  • Bezel material: Stainless steel
  • Bracelet size compatibility: Up to a 7.25-inch wrist
Posted at
May 20, 2026, 9:44 PM
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