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] 2023 Omega Seamaster Aqua Terra Silver Dial 41mm 220.10.41.21.02.001 - Full Set

2023 Omega Seamaster Aqua Terra Silver Dial 41mm 220.10.41.21.02.001 - Full Set

Omega - 220.10.41.21.02.001 · $10,900
2023 Omega Seamaster Aqua Terra Silver Dial 41mm, available for sale.

  • Case material: Stainless Steel
  • Bracelet material: Stainless Steel
Posted at
Mar 28, 2026, 2:12 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300m. Box, Cards. 210.30.42.20.06.001

Omega Seamaster 300m. Box, Cards. 210.30.42.20.06.001

Omega - 210.30.42.20.06.001 · $3,900
A Omega Seamaster 300m is being sold with its box and cards.

  • Box: true
  • Cards: true
Posted at
Mar 27, 2026, 5:57 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Bond 2531.80 + Forstner 5-Link – $3600

Omega Seamaster Bond 2531.80 + Forstner 5-Link – $3600

Omega - 2531.80.00 · $3,600
This Omega Seamaster Professional 300M ref. 2531.80 features a blue wave dial and aluminum bezel, powered by the reliable Omega Caliber 1120 automatic movement.

  • Condition: Very good condition
  • Movement: Omega Caliber 1120 automatic
  • Case size: 41mm diameter
  • Water resistance: 300m depth rating
Posted at
Mar 27, 2026, 5:10 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 212.30.41.20.01.003 No wave dial COMPLETE SET

Omega Seamaster 212.30.41.20.01.003 No wave dial COMPLETE SET

Omega - 212.30.41.20.01.003 · $2,950
For sale is an Omega Seamaster Diver reference 212.30.41.20.01.003, complete set including warranty card dated 2014.

  • Condition: great condition with some light signs of wear
  • Warranty card included: true
  • Payment methods accepted: crypto, cash, bank transfer
  • Local pickup available: true
Posted at
Mar 27, 2026, 4:46 PM
Active
View listing on r/WatchExchange
[WTS] Omega OEM NATO Grey 20mm Speedmaster Seamaster 031CWZ007565

Omega OEM NATO Grey 20mm Speedmaster Seamaster 031CWZ007565

Omega - 031CWZ007565 · $180
A new, unworn Omega NATO strap in grey for watches with a lug width of 19-20mm.

  • Material: polyester
  • Lug width compatibility: 19-20mm
Posted at
Mar 27, 2026, 4:45 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300 Blue 234.30.41.21.03.001 COMPLETE SET

Omega Seamaster 300 Blue 234.30.41.21.03.001 COMPLETE SET

Omega - 234.30.41.21.03.001 · $4,650
For sale is an Omega Seamaster 300 reference 234.30.41.21.03.001, this watch comes in a complete set including warranty card dated 2023.

  • Condition: Great condition with some light wear
  • Warranty Card Date: 2023
  • Includes Complete Set: true
Posted at
Mar 27, 2026, 4:43 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Diver LIMITED EDITION "Beijing 2022" COMPLETE SET

Omega Seamaster Diver LIMITED EDITION "Beijing 2022" COMPLETE SET

Omega - 522.30.42.20.03.001 · $4,350
A limited edition Omega Seamaster Diver watch to celebrate the 2022 Beijing Olympics, in excellent condition and complete with its original set.

  • Condition: Excellent
  • Payment methods accepted: multiple payment methods including crypto
  • Local pickup available: true
  • Trade options: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Mar 27, 2026, 4:38 PM
Active
View listing on r/WatchExchange
[WTS] 2023 Omega Seamaster Aqua Terra 150M 41mm 220.12.41.21.03.002 - Full Set

2023 Omega Seamaster Aqua Terra 150M 41mm 220.12.41.21.03.002 - Full Set

Omega - 220.12.41.21.03.002
2023 Omega Seamaster Aqua Terra 150M 41mm, a luxury watch with features and details as described in the listing.

  • Year: 2023
  • Movement: Co-Axial Master Chronometer
  • Water resistance: 150m
Posted at
Mar 27, 2026, 4:30 PM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean Chronograph 9300 Orange 45.5mm 232.32.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 9300 Orange 45.5mm 232.32.46.51.01.001

Omega - 232.32.46.51.01.001 · $4,500
This listing is for an Omega Seamaster Planet Ocean Chronograph, a high-end diving watch with chronograph functionality.

  • Case Size: 45.5mm diameter
Posted at
Mar 27, 2026, 1:16 PM
Active
View listing on r/WatchExchange