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][US] Omega Seamaster SMP300 Titanium NTTD - 42mm - 210.90.42.20.01.001

[US] Omega Seamaster SMP300 Titanium NTTD - 42mm - 210.90.42.20.01.001

Omega - 210.90.42.20.01.001 · $8,250
This Omega Seamaster SMP300 Titanium watch is available for sale in excellent mechanical working order.

  • Condition: Fantastic condition with minor hairlines on case, clasp, or bracelet
  • Case size: 42mm
  • Bracelet type: titanium mesh
  • Water resistance: not specified
Posted at
May 25, 2026, 3:00 PM
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[WTS] Omega Seamaster 300M SMP Ceramic 21030422001001

Omega Seamaster 300M SMP Ceramic 21030422001001

Omega - 21030422001001 · $3,999
A black wave dial Omega Seamaster 300 on a bracelet, featuring minor cosmetic blemishes from desk wear.

  • Condition: Minor surface marks, in great shape
  • Box and papers included: yes
  • Bracelet condition: minor surface marks
Posted at
May 25, 2026, 1:02 PM
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[WTS] Omega Seamaster 300M SMP Ceramic 21030422001001

Omega Seamaster 300M SMP Ceramic 21030422001001

Omega - 21030422-0010001
Posted at
May 25, 2026, 1:01 PM
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[WTS] Omega Seamaster Heritage 300 - Blue Dial - 234.30.41.21.03.001

Omega Seamaster Heritage 300 - Blue Dial - 234.30.41.21.03.001

Omega - 234.30.41.21.03.001 · $4,450
Selling my Omega Seamaster Heritage 300 (Blue Dial). The watch is in excellent pre-owned condition with minor desk diving marks on the bracelet.

  • Condition: Excellent pre-owned condition with minor desk diving marks on the bracelet
  • Case Size: 41mm diameter
  • Thickness: 13.85mm
  • Lug To Lug: 48mm
Posted at
May 25, 2026, 12:33 PM
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[WTS] Omega Seamaster Planet Ocean 232.30.46.21.01.001 – 45.5mm – 2015 – Full Set - 3550

Omega Seamaster Planet Ocean 232.30.46.21.01.001 – 45.5mm – 2015 – Full Set - 3550

Omega - 232.30.46.21.01.001 · $3,550
A bold dive watch with strong wrist presence, built for durability and performance, with a black dial and Omega's proven Co-Axial movement.

  • Condition: Good overall condition
  • Case size: 45.5mm diameter
  • Movement: Omega Co-Axial automatic movement
Posted at
May 25, 2026, 11:54 AM
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[WTS] Priced to Fly! Memorial Day Weekend Sale – Omega Seamaster Professional 300M Blue Wave Dial – $4245 + Shipping

Priced to Fly! Memorial Day Weekend Sale – Omega Seamaster Professional 300M Blue Wave Dial – $4245 + Shipping

Omega - Seamaster Professional 300M · $4,245
This Omega Seamaster Professional 300M features a blue ceramic wave dial and is equipped with the METAS-certified Master Chronometer Calibre 8800. It comes in excellent overall condition, with only minor signs of wear from normal use.

  • Condition: Excellent overall condition with minor signs of wear from normal use
  • Movement: METAS-certified Master Chronometer Calibre 8800
  • Dial: blue ceramic wave dial
  • Bezel: ceramic bezel
Posted at
May 25, 2026, 11:24 AM
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[WTS] Memorial Day Weekend Sale –Vintage Omega Seamaster 1958 Ref. 2846 9SC – Cal. 500 – Honest Vintage Survivor – $799+shipping

Memorial Day Weekend Sale –Vintage Omega Seamaster 1958 Ref. 2846 9SC – Cal. 500 – Honest Vintage Survivor – $799+shipping

Omega - 2846 9SC · $799
A classic 1950s Omega powered by the legendary Cal. 500 automatic movement, with attractive age and character throughout the dial and case.

  • Condition: Honest vintage condition with attractive age and character throughout the dial and case
  • Caliber: Cal. 500
  • Production year: 1958
Posted at
May 25, 2026, 11:20 AM
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[WTS] Omega Seamaster 200 “Banana” 166.068 — Vintage Preowned Condition, Watch Only

Omega Seamaster 200 “Banana” 166.068 — Vintage Preowned Condition, Watch Only

Omega - 166.068 · $3,000
The Omega Seamaster 200 “Banana” 166.068 is a distinctive vintage dive watch known for its bold yellow-toned rotating bezel insert, earning it the “Banana” nickname among collectors. It features a classic stainless steel case with vintage Seamaster styling and delivers strong character and everyday wearability.

  • Condition: vintage preowned condition, healthy case, marks on the crystal, running great at +2 seconds per day with amplitude over 260
  • Diameter: 41mm
  • Lug to lug: 47mm
  • Thickness: 11.5mm
Posted at
May 25, 2026, 9:10 AM
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[WTS] Omega Seamaster Calendar 2627 Goldcapped $950

Omega Seamaster Calendar 2627 Goldcapped $950

Omega - 2627 · $950
a beautiful goldcapped Omega Seamaster Calendar from 1952, measuring 35mm in diameter and 41.5mm lug to lug, featuring a stainless steel goldcapped case with a 14k layer, a bumper Omega cal. 355 movement, dauphine hands, Arabic 3-9-12 hour markers, and a trapezoid date window at 6 o'clock

  • Condition: great condition with signs of wear
  • Case Size: 35mm diameter
  • Lug To Lug: 41.5mm
  • Lug Width: 18mm
Posted at
May 25, 2026, 9:04 AM
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