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] PRICE REDUCTION - Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $4,250

PRICE REDUCTION - Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $4,250

Omega - 215.30.44.21.03.001 · $4,250
This Omega Seamaster Planet Ocean is a 43.5MM stainless steel watch in the blue color, powered by the Caliber 8900 movement and featuring a ceramic bezel rated to 600m/2000ft.

  • Condition: Excellent overall with light surface wear and minor hairlines
  • Depth Rating: 600m
  • Case Size: 43.5mm diameter
  • Bracelet Length: 7.6 inch
Posted at
May 11, 2026, 7:30 AM
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[WTS] Omega Seamaster Aqua Terra 150m, 41mm (Ref: 220.10.41.21.02.004) Small Seconds - $4500 USD Shipped

Omega Seamaster Aqua Terra 150m, 41mm (Ref: 220.10.41.21.02.004) Small Seconds - $4500 USD Shipped

Omega - 220.10.41.21.02.004 · $4,500
This Omega Seamaster Aqua Terra 150M is a 41mm watch with a silver dial and blue accents, featuring small seconds.

  • Condition: lightly used with minor wear
  • Case diameter: 41mm
  • Water resistance: 150m
Posted at
May 11, 2026, 3:33 AM
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[WTS] OMEGA Seamaster Aqua Terra “Shades” 38mm 220.20.38.20.02.002 Two Tone “Moonshine” Gold Complete Set

OMEGA Seamaster Aqua Terra “Shades” 38mm 220.20.38.20.02.002 Two Tone “Moonshine” Gold Complete Set

OMEGA - 220.20.38.20.02.002 · $9,650
The OMEGA Seamaster Aqua Terra 'Shades' is a limited edition watch released in 2024, featuring a 38mm case, two-tone bracelet, and sunburst silver dial. It's powered by the Co-Axial Master Chronometer 8800 movement and comes with a factory warranty until 2029.

  • Condition: Excellent pre-owned condition
  • Case size: 38mm
  • Case material: Stainless Steel / 18k Moonshine Gold
  • Bezel material: 18k Moonshine Gold
Posted at
May 10, 2026, 11:43 PM
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[WTS] Omega Seamaster Aqua Terra 2504.50 36mm - $2,390

Omega Seamaster Aqua Terra 2504.50 36mm - $2,390

Omega - 2504.50.00 · $2,390
Up for sale is my Omega Seamaster Aqua Terra 2504.50.00 in great shape, featuring an automatic movement and measuring 36mm.

  • Condition: 8.9/10
  • Movement: automatic
  • Bracelet: original Omega Steel
  • Case size: 36mm
Posted at
May 10, 2026, 9:06 PM
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[WTS] 2018 Omega Seamaster Planet Ocean 600m GMT | Complete | Excellent Condition

2018 Omega Seamaster Planet Ocean 600m GMT | Complete | Excellent Condition

Omega - 232.32.44.22.01.002 · $4,500
This Planet Ocean is a rugged yet refined diver, great wrist presence, excellent build, and sporty styling that transitions easily from adventure to everyday.

  • Condition: Excellent
  • Case Size: 43.5mm diameter
  • Movement: Omega Calibre 8900 Co-Axial Master Chronometer
  • Dial And Bezel: Black dial with black ceramic bezel
Posted at
May 10, 2026, 8:31 PM
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[WTS] Omega Seamaster Planet Ocean “SKYFALL 007” 232.30.42.21.01.004 — 42mm — Limited 5007 Pieces — $4,999 Shipped 🔥

Omega Seamaster Planet Ocean “SKYFALL 007” 232.30.42.21.01.004 — 42mm — Limited 5007 Pieces — $4,999 Shipped 🔥

Omega - 232.30.42.21.01.004 · $4,999
This is a limited edition Omega Seamaster Planet Ocean 'SKYFALL 007' with a 42mm case size, featuring Bond-themed design elements and strong wrist presence.

  • Condition: Fair overall, with signs of wear on the case and bracelet
  • Case size: 42mm diameter
  • Wrist size compatibility: ~7.4" wrist (currently sized to ~7.1"
  • Limited production run: 5007 pieces
Posted at
May 10, 2026, 8:09 PM
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[WTS] Omega Seamaster Aqua Terra 41.5mm "Spectre" Blue - 231.10.42.21.03.003

Omega Seamaster Aqua Terra 41.5mm "Spectre" Blue - 231.10.42.21.03.003

Omega - 231.10.42.21.03.003 · $3,695
The Omega Seamaster Aqua Terra 41.5mm 'Spectre' Blue features a blue dial and is offered in excellent pre-owned condition. The watch has been well-maintained and is still fully functional.

  • Condition: Pre-owned, great condition with light wear and minor markings on the crystal
  • Diameter: 41.5mm
  • Bracelet links: Center links brushed instead of polished
Posted at
May 10, 2026, 5:58 PM
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[WTS] 2026 Full Set Omega Seamaster Railmaster 235.10.38.20.06.001

2026 Full Set Omega Seamaster Railmaster 235.10.38.20.06.001

Omega - 235.10.38.20.06.001 · $4,299
A 2026 Omega Railmaster with a 38mm steel case and gray gradient dial, complete with a full set of accessories.

  • Condition: Excellent pre-owned condition
  • Case size: 38mm diameter
  • Bracelet material: steel
  • Dial color: gray gradient
Posted at
May 10, 2026, 2:46 PM
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[WTS] Omega Seamaster Planet Ocean 2201.50.00 42mm — First Gen PO, Full Set, Daniel Craig Bond Era — $2,999 Shipped (Tariff Covered)

Omega Seamaster Planet Ocean 2201.50.00 42mm — First Gen PO, Full Set, Daniel Craig Bond Era — $2,999 Shipped (Tariff Covered)

A first generation Planet Ocean from the early Daniel Craig James Bond era, featuring a classic black dial with oversized Arabic numerals and a reliable Co-Axial Cal. 2500 chronometer movement.

Posted at
May 10, 2026, 1:13 PM
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