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 Aqua Terra Blue 231.13.42.21.03.001 2023 B&P

Omega Seamaster Aqua Terra Blue 231.13.42.21.03.001 2023 B&P

Omega - 231.13.42.21.03.001 · $3,549
This Omega Seamaster Aqua Terra Blue is a 2023 model with box and papers, featuring leather strap.

  • Condition: Excellent
  • Box And Papers: 2023 box and papers
  • Leather Condition: pre owned but in great shape
Posted at
Apr 1, 2026, 8:32 PM
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[WTS] 1972 Omega Seamaster ref. 168.0061 w/ Chronometer Cal. 1011 on original BOR 1036/11 – $1250 shipped

1972 Omega Seamaster ref. 168.0061 w/ Chronometer Cal. 1011 on original BOR 1036/11 – $1250 shipped

Omega - 168.0061 · $1,250
A 1972 Omega Seamaster with Chronometer Cal. 1011 and original BOR ref. 1036/11. This watch features a stainless steel case, automatic movement, and correct original accessories.

  • Movement: Chronometer Cal. 1011, automatic
  • Case size: 35mm diameter
  • Lug width: 18mm
Posted at
Apr 1, 2026, 7:39 PM
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[WTS] Omega Seamaster Aqua Terra 41mm

Omega Seamaster Aqua Terra 41mm

Omega - 220.10.41.21.03.001 · $4,300
This 41mm Aqua Terra in teakwood blue is a beautifully crafted watch that has been well-maintained and comes with its original box, chronometer card, and a recent service record. Its stylish design and comfortable OEM rubber strap make it an attractive timepiece.

  • Condition: Pre-owned, serviced by Omega within the last 2 months
  • Bracelet type: Blue rubber strap
  • Case size: 41mm
Posted at
Apr 1, 2026, 7:17 PM
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View listing on r/WatchExchange
[WTS] Omega Seamaster Blue 🔵 No-Wave Dial Full Set 2017 ($3,150+✈️🇺🇸)

Omega Seamaster Blue 🔵 No-Wave Dial Full Set 2017 ($3,150+✈️🇺🇸)

Omega - 212.30.41.20.03.001 · $3,150
2017 Omega Seamaster Blue with No-Wave dial, comes as a full set.

  • Year: 2017
  • Location: Denver, CO
Posted at
Apr 1, 2026, 6:07 PM
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[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

Omega - 232.92.44.22.03.001 · $5,295
a Omega Seamaster Planet Ocean 600m Titanium Blue, a high-end dive watch featuring a titanium case and blue dial.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Depth rating: 600m
Posted at
Apr 1, 2026, 3:13 PM
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[WTS] Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2021 Full Set - $4,395

Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2021 Full Set - $4,395

Omega - 210.32.42.20.03.001 · $4,395
A 2021 Omega Seamaster Diver 300m Blue is up for sale, featuring a diver's watch design with a blue color scheme.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2021
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual, Hang Tag
Posted at
Apr 1, 2026, 3:01 PM
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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
Up for sale is an Omega Seamaster Diver 300m Blue from 2022, featuring a blue dial and coming with a full set of accessories.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Box Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
Apr 1, 2026, 2:57 PM
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[WTS] Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2022 Full Set - $5,395

Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2022 Full Set - $5,395

Omega - 210.30.42.20.10.001 · $5,395
This Omega Seamaster Diver 300M Green Seaweed is a 2022 model, featuring a green dial and matching band.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Box Contents: watch, inner & outer box, card holder, international warranty card, pictograms card, master chronometer card, instructions manual
  • Shipping Insurance: fully insured
Posted at
Apr 1, 2026, 2:56 PM
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[WTS] Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,250

Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,250

Omega - 231.10.39.60.06.001 · $2,250
The Omega Seamaster Aqua Terra is a versatile, all-around luxury watch with exceptional movement technology, often cited as an ideal 'one-and-only-one' watch for both formal and casual wear.

  • Condition: Excellent pre-owned condition
  • Case Diameter: 38.5mm
  • Lug Width: 19mm
  • Water Resistance: 150m
Posted at
Apr 1, 2026, 12:53 PM
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View listing on r/WatchExchange