Omega Seamaster Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

Reference 511.13.40.20.04.002

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 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 馃敟$6,100馃敟

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 馃敟$6,100馃敟

OMEGA - 220.10.38.20.13.003 $6,100
The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a 38mm stainless steel case with a symmetrical design, a Terracotta dial made from brass, and a polished and brushed bracelet.

  • Condition: UNWORN
  • Case size: 38mm
  • Water resistance: 150M
  • Movement: Co-Axial Master Chronometer Calibre 8800
Posted at
Mar 21, 2026, 7:01 PM
Active
[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 馃敟$7,900馃敟

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 馃敟$7,900馃敟

OMEGA - 522.21.42.20.04.001 $7,900
A luxurious tribute to sporting excellence, this Seamaster Diver 300M 'Paris 2024' features a 42mm case combining stainless steel and OMEGA's exclusive 18K Moonshine Gold. The watch is powered by the Calibre 8800 Master Chronometer.

  • Condition: UNWORN
  • Case size: 42mm diameter
  • Straps included: Paris 2024 NATO strap
Posted at
Mar 21, 2026, 6:59 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M "SPECTRE" James Bond Limited Edition - 231.10.42.21.03.004

Omega Seamaster Aqua Terra 150M "SPECTRE" James Bond Limited Edition - 231.10.42.21.03.004

Omega - 231.10.42.21.03.004 $6,500
This Omega Seamaster Aqua Terra 150M 'SPECTRE' James Bond Limited Edition features a blue PVD dial, Master Co-Axial Caliber 8507 movement, and a stainless steel bracelet. The watch is part of a limited run of 15,007 pieces.

  • Condition: great condition with only minor signs of wear
  • Case diameter: 41.5mm
  • Movement: Omega Caliber 8507 (Anti-magnetic to >15,007 Gauss)
  • Power reserve: 60 Hours
Posted at
Mar 21, 2026, 6:24 PM
Active
[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 a **Omega Seamaster Diver 300m Blue** [Timestamp](https://www.dropbox.com/scl/fi/xel8k0shuugw793oxl6i6/IMG_8148.HEIC?rlkey=qudnn54bs4c9mohr4ucswl4i6&st=qlqwwgtn&dl=0) made in 2022 with a **Reference**: 210.30.42.20.03.001, featuring a 41.5mm case size.

  • 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
Mar 21, 2026, 5:38 PM
Active
[WTS] Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2023 Full Set - $5,395

Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2023 Full Set - $5,395

Omega - 210.30.42.20.10.001 $5,395
This Omega Seamaster Diver 300m Green Seaweed is a 2023 model featuring a green dial.

  • 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
  • Shipping: Fully insured in the USA through Fedex
Posted at
Mar 21, 2026, 5:29 PM
Active
[WTS] 1969 Omega Seamaster 168.024 | Black Onyx Markers | Serviced | Plus New Delugs Saffiano Strap | $1250

1969 Omega Seamaster 168.024 | Black Onyx Markers | Serviced | Plus New Delugs Saffiano Strap | $1250

Omega - 168.024 $1,250
A 1969 Omega Seamaster with a silver sunburst dial and onyx markers, featuring a chronometer-certified automatic movement, date display, and 34.5mm stainless steel case.

  • Condition: Very good
  • Case Diameter: 34.5 mm
  • Movement: Caliber 564 Automatic Chronometer
  • Bracelet Lug Width: 18 mm
Posted at
Mar 21, 2026, 5:29 PM
Active
[WTS] Omega Seamaster Diver 300M Black Dial 41mm 2016 Box & Papers - $3,200

Omega Seamaster Diver 300M Black Dial 41mm 2016 Box & Papers - $3,200

  • Condition: Excellent
  • Case size: 41mm diameter
  • Water resistance: 300m depth rating
  • Movement type: Omega automatic movement
Posted at
Mar 21, 2026, 12:13 PM
Active
[WTS] Omega Seamaster Classic Sunburst Dial - Ref. 168.024 - Cal. 564 Chronometer Automatic Quickset Date - From 1969 - $1400 Shipped & Duties Covered

Omega Seamaster Classic Sunburst Dial - Ref. 168.024 - Cal. 564 Chronometer Automatic Quickset Date - From 1969 - $1400 Shipped & Duties Covered

Omega - 168.024 $1,400
This Omega Seamaster features the chronometer-rated caliber 564 automatic movement, a 35mm case size, and a versatile design that makes it suitable for everyday wear.

  • Condition: Clean, serviced in November 2025 with little signs of age
  • Case diameter: 35mm
  • Movement: Cal. 564 Chronometer Automatic
Posted at
Mar 21, 2026, 10:15 AM
Active
[WTS] Omega Seamaster Diver 300m 18k Sedna Gold 210.22.42.20.01.002 $4,850

Omega Seamaster Diver 300m 18k Sedna Gold 210.22.42.20.01.002 $4,850

Omega - 210.22.42.20.01.002 $4,850
A Omega Seamaster Professional Diver 300 in Sedna Gold, featuring a sunburst black wave dial and ceramic bezel. It runs on the reliable Omega Calibre 8800, certified by COSC and METAS.

  • Condition: Preowned - Fair (Note small ding on top left lug)
  • Material: 18k Sedna Gold
  • Case size: not specified
Posted at
Mar 21, 2026, 9:54 AM
Active