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 2265.80 “Electric Blue” – $2200

Omega Seamaster 2265.80 “Electric Blue” – $2200

Omega - 2265.80 · $2,200
The Omega Seamaster 2265.80 “Electric Blue” is a quartz version of the watch, featuring an electric blue dial and luxury quality.

  • Condition: REALLY GOOD with minor scratches from normal wear
  • Bracelet size: fits up to a 7.5" wrist
  • Diameter: assumes standard 40mm diameter (not specified)
Posted at
May 3, 2026, 4:35 PM
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[WTS] Omega Seamaster Diver 300M – Electric Blue Two Tone – Automatic 41mm – Solid Gold Bezel

Omega Seamaster Diver 300M – Electric Blue Two Tone – Automatic 41mm – Solid Gold Bezel

Omega - 2455.80 · $4,250
The Omega Seamaster Diver 300M features a stainless steel and 18K yellow gold two-tone design with an electric blue wave dial, solid gold bezel, and 41mm case. It's powered by the automatic Omega caliber 1120 movement and has 300 meters of water resistance.

  • Condition: Excellent all around condition
  • Movement: Omega caliber 1120 automatic movement
  • Water Resistance: 300m
Posted at
May 3, 2026, 3:29 PM
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[WTS] Omega Seamaster, ref. 166.010, 1969. Re-post.

Omega Seamaster, ref. 166.010, 1969. Re-post.

Omega - 166.010 · $900
The Omega Seamaster is a classic watch designed by Gerald Genta, featuring an original dial and unpolished case with a screw-down case back. The watch has been serviced in 2024 and comes with its original parts, including the beads of rice bracelet.

  • Condition: great condition
  • Movement: 565 cal.
  • Case thickness: 10mm
  • Diameter: 36mm
Posted at
May 3, 2026, 2:46 PM
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[WTS] 1966-67 Omega Seamaster Chronostop 145.007 w/ Box

1966-67 Omega Seamaster Chronostop 145.007 w/ Box

Omega - 145.007 · $1,400
1966-67 Omega Seamaster Chronostop, in overall great condition, chrono function works flawlessly.

  • Condition: Great condition, age-appropriate wear
  • Case material: Stainless steel
  • Strap: Original leather strap
  • Box condition: Decent shape
Posted at
May 3, 2026, 2:33 PM
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[WTS][US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

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

Omega - 210.20.42.20.03.002 · $6,975
This Omega Seamaster SMP300 features a blue dial, Sedna gold case, and measures 42mm in diameter.

  • Condition: Fantastic with minor hairlines
  • Case size: 42mm diameter
  • Box and papers included: true
Posted at
May 3, 2026, 9:57 AM
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[WTS] Omega Seamaster Beautiful Dial With Rare Omega Stretchable Bracelet 166.032 (Serviced) only for 799$ 🚢

Omega Seamaster Beautiful Dial With Rare Omega Stretchable Bracelet 166.032 (Serviced) only for 799$ 🚢

Omega - 166.032 · $799
This Omega Seamaster reference 166.032 from 1968 features a stainless steel case with a case size of 36.5mm and a clean dial with a spiral design.

  • Condition: good with minor hairline scratches and signs of aging on dial
  • Case Size: 36.5mm diameter
  • Bracelet Type: stretchable and signed by Omega
  • Movement: calibre 752, automatic and recently serviced
Posted at
May 3, 2026, 9:41 AM
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[WTS] Omega Seamaster Planet Ocean 600M (215.30.44.21.01.001)

Omega Seamaster Planet Ocean 600M (215.30.44.21.01.001)

Omega - 215.30.44.21.01.001 · $4,475
This Omega Seamaster Planet Ocean 600M is a discontinued reference featuring a black dial on a steel bracelet, in excellent condition with a few light marks.

  • Condition: Excellent condition, with a few light marks on the case and bracelet
  • Case size: 43.5mm diameter
  • Case material: Stainless Steel
  • Bracelet material: Stainless Steel
Posted at
May 3, 2026, 8:29 AM
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[WTS] 2023 Omega Seamaster Professional Diver 300m White Full Set Like New 210.32.42.20.04.001

2023 Omega Seamaster Professional Diver 300m White Full Set Like New 210.32.42.20.04.001

Omega - 210.32.42.20.04.001 · $4,699
A beautiful example of the SMP on rubber, dated 2023 and in excellent condition, with a full set including multiple accessories.

  • Condition: very good preowned condition, like new
  • Material: rubber strap
  • Box: outer white cardboard box, inner wooden box, travel case
Posted at
May 3, 2026, 8:10 AM
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[wts] Omega Seamaster Professional co-axial 300m 212.30.41.20.01.003 no wave dial with box and pictogram card, extra Zealande rubber strap and manual $3200 obo.

Omega Seamaster Professional co-axial 300m 212.30.41.20.01.003 no wave dial with box and pictogram card, extra Zealande rubber strap and manual $3200 obo.

Omega - 212.30.41.20.01.003 · $3,200
For sale is this classic Omega Seamaster Diver 300m, a great versatile diver and daily watch with an automatic co-axial movement.

  • Condition: Used
  • Bracelet condition: showing signs of wear throughout with one small scuff on the clasp
  • Included accessories: box, manual, pictogram card, black rubber Zealande Strap
Posted at
May 3, 2026, 8:02 AM
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