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 215.92.46.22.01.001 - Watch, Inner box, and Chrono24 Authentication Card

Omega Seamaster Planet Ocean 215.92.46.22.01.001 - Watch, Inner box, and Chrono24 Authentication Card

Omega - 215.92.46.22.01.001 · $6,498
This rare Omega Seamaster Planet Ocean features a sleek black ceramic case and textured black rubber strap, with a bold contrast of smooth and brushed finishes.

  • Condition: Excellent pre-owned condition
  • Case material: black ceramic
  • Strap type: textured black rubber
  • Water resistance: not specified
Posted at
Feb 10, 2026, 5:00 PM
Active
View listing on r/WatchExchange
[WTS] OMEGA Seamaster Diver 300M “James Bond” Limited Edition 2 Watch Set

OMEGA Seamaster Diver 300M “James Bond” Limited Edition 2 Watch Set

OMEGA - Seamaster Diver 300M James Bond Limited Edition Set · $38,995
This is a rare opportunity to acquire one of the only 257 OMEGA Seamaster Diver 300M 'James Bond' Limited Edition Sets produced globally. Each set features two unique Seamaster Diver 300M models, one in stainless steel and one in 18K yellow gold, both with Bond-inspired details.

  • Case size: 42mm
  • Water resistance: 300m / 1000ft
  • Diameter of the bezel: 42mm (stainless steel edition) and black ceramic bezel w/Ceragold diving scale (18K yellow gold edition)
Posted at
Feb 10, 2026, 4:12 PM
Active
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[WTS] Omega Seamaster Diver 300M Commander’s Watch 41mm

Omega Seamaster Diver 300M Commander’s Watch 41mm

Omega - 2220.80.00
Posted at
Feb 10, 2026, 2:24 PM
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[WTS] Omega Seamaster Planet Ocean - December 2025 with Blue Ceramic Bezel

Omega Seamaster Planet Ocean - December 2025 with Blue Ceramic Bezel

Omega - 217.30.42.21.01.002 · $7,300
New generation Omega Seamaster Planet Ocean with Blue ceramic bezel, bought new in December 2025, has been worn with a few minor marks.

  • Condition: Pre-owned, minor marks on the clasp and bracelet links
  • Warranty card date: December 10, 2025
  • Bracelet size: 7.1-inch (18 cm)
  • Box contents: Box, papers, warranty cards, hang tag, extra links, original receipt, and insurance appraisal
Posted at
Feb 10, 2026, 1:10 PM
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[WTS] Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2025 Full Set - $5,395

Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2025 Full Set - $5,395

Omega - 210.30.42.20.10.001 · $5,395
Up for sale is a Omega Seamaster Diver 300m Green Seaweed, a 2025 model featuring a **Reference**: 210.30.42.20.10.001 and other details.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Movement: Master Chronometer
Posted at
Feb 10, 2026, 9:44 AM
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[WTS] Omega Seamaster Aqua Terra 41mm White 220.10.41.21.02.001 2024 Full Set - $5,095

Omega Seamaster Aqua Terra 41mm White 220.10.41.21.02.001 2024 Full Set - $5,095

Omega - 220.10.41.21.02.001 · $5,095
This Omega Seamaster Aqua Terra White is a 2024 model, fully set with its original packaging and accessories.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Case Size: 41mm
Posted at
Feb 10, 2026, 9:42 AM
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[WTS] Omega Seamaster Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

Omega Seamaster Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

Omega - 210.32.42.20.06.001 · $4,295
This Omega Seamaster Diver 300m Grey is a 2023 model featuring a sleek design and precise timekeeping.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual, Hang Tag
  • Shipping: Fully insured through Fedex in the USA
Posted at
Feb 10, 2026, 9:38 AM
Active
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[WTS] Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

Omega - 210.30.42.20.03.001 · $4,395
A 2022 Omega Seamaster Diver 300M Blue is up for sale, featuring a blue dial and a stainless steel case.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
Feb 10, 2026, 9:35 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

Omega - 210.32.42.20.03.001 · $4,395
A 2022 Omega Seamaster Diver 300M Blue, featuring a blue dial and a stainless steel case.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Shipping Insurance: Fully insured
Posted at
Feb 10, 2026, 9:31 AM
Active
View listing on r/WatchExchange