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 41mm quartz black Bond Ref. 212.30.41.61.01.001 - Full Set - Price Drop

Omega Seamaster 41mm quartz black Bond Ref. 212.30.41.61.01.001 - Full Set - Price Drop

Omega - 212.30.41.61.01.001 · $2,900
A high-end quartz Omega Seamaster with a versatile black Bond dial, featuring exceptional timekeeping and upgraded details such as applied hour indices and red Seamaster text. It is fitted to an Anchor Straps Co FKM rubber strap and comes with both the deployant clasp and classic Seamaster Bond bracelet.

  • Condition: Great condition considering age, with usual scuffs/scratches throughout
  • Case size: 41mm
  • Bezel insert condition: Some scratches, but overall great condition with no fading or deep scratches
  • Bracelet type: Deployant style
Posted at
Mar 29, 2026, 4:52 PM
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[WTS] Omega Seamaster Professional 300M 2531.80

Omega Seamaster Professional 300M 2531.80

Omega - 2531.80 · $2,150
A midsize Omega Seamaster Professional, a daily-wear automatic watch.

  • Size: 42mm diameter
Posted at
Mar 29, 2026, 4:10 PM
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[WTS] Omega Seamaster. Aquaterra. 41.5mm Cards included..

Omega Seamaster. Aquaterra. 41.5mm Cards included..

Omega - Aquaterra · $3,250
A 41.5mm Omega Seamaster Aquaterra is being sold with its original cards included.

  • Case diameter: 41.5mm
  • Shipping options: Fedex, insurance, global shipping
Posted at
Mar 29, 2026, 11:36 AM
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[WTS] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega - 215.30.46.51.01.001 · $6,575
This Omega Seamaster Planet Ocean 600m features a black dial and a 45.5mm case. It comes in full set, including box, user manual, microfiber cloth, purchase receipt, and warranty card.

  • Condition: Fantastic condition, minor hairlines
  • Case size: 45.5mm diameter
  • Water resistance: 600m
Posted at
Mar 29, 2026, 10:58 AM
Active
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[WTS] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

Omega - 210.20.42.20.03.002 · $7,100
This Omega Seamaster SMP300 features a blue dial, Sedna gold case, and measures 42mm in diameter. It includes a full set with various accessories.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 42mm diameter
  • Set included: Full set
Posted at
Mar 29, 2026, 10:53 AM
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[WTS] Omega Seamaster 2514.50 200m/666ft Cal1400 Omegamatic ATQ | Excellent Condition | Movement Serviced | 1200$

Omega Seamaster 2514.50 200m/666ft Cal1400 Omegamatic ATQ | Excellent Condition | Movement Serviced | 1200$

Omega - 2514.50 Cal1400 Omegamatic ATQ · $1,200
This is a vintage Omega Seamaster 200m/666ft Cal.1400 model, featuring a timeless classic charm and well-balanced design.

  • Condition: Excellent Condition, used
  • Case size: 36mm x 10mm
  • Crystal material: Sapphire
  • Lug width: 18.2mm
Posted at
Mar 29, 2026, 10:51 AM
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[WTS] Omega Seamaster SMP300 Titanium NTTD - 210.90.42.20.01.001 - Full Set

Omega Seamaster SMP300 Titanium NTTD - 210.90.42.20.01.001 - Full Set

Omega - 210.90.42.20.01.001 · $8,475
This Omega Seamaster SMP300 Titanium NTTD is a well-maintained timepiece that comes with its full set of accessories, including a titanium mesh bracelet and various documentation.

  • Condition: Fantastic condition with minor hairlines on case, clasp, or bracelet
  • Water Resistance: 30m
  • Bracelet Material: titanium mesh
  • Box Contents: watch, outer box, inner leather roll, user manual, purchase receipt, pictogram card, master chronometer card, and warranty card
Posted at
Mar 29, 2026, 10:46 AM
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[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
The Omega Seamaster Professional Diver 300 features a beautiful sunburst black wave dial, ceramic bezel and Ceragold diving scale, powered by the reliable Omega Calibre 8800 movement.

  • Condition: Fair (small ding on top left lug)
  • Case material: 18k Sedna Gold
  • Dial color: black
  • Bezel material: ceramic
Posted at
Mar 29, 2026, 9:31 AM
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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
This Omega Seamaster Planet Ocean 600m Titanium Blue is a high-end diver's watch featuring a titanium case and blue dial.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Instructions Manual
Posted at
Mar 29, 2026, 12:10 AM
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