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] 2011 Omega Seamaster Planet Ocean, 42mm Generation 1

2011 Omega Seamaster Planet Ocean, 42mm Generation 1

Omega - 2201.51 · $3,000
2011 Omega Seamaster Planet Ocean, Generation 1, 42mm in good condition and running well.

  • Condition: Good condition with nicks and dents
  • Movement: 2500D movement
  • Bracelet Length: 7.6 inches
  • Bracelet Size: adjusts up to 7.6 inches
Posted at
Dec 7, 2025, 3:37 PM
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[WTS] Omega Seamaster Diver 300M – “Summer Blue” – Full Set(Bracelet + Omega Deployant) - 210.30.42.20.03.003

Omega Seamaster Diver 300M – “Summer Blue” – Full Set(Bracelet + Omega Deployant) - 210.30.42.20.03.003

Omega - 210.30.42.20.03.003 · $5,700
This Omega Seamaster Diver 300M features a unique 'Summer Blue' colorway with a deeper gradient dial, matching blue ceramic bezel and Super-LumiNova. It retains the classic 300M case design and is powered by the Co-Axial Master Chronometer Calibre 8800.

  • Condition: Very good, used
  • Case size: 42mm
  • Movement: Co-Axial Master Chronometer Calibre 8800
Posted at
Dec 7, 2025, 2:05 PM
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[WTS] 2024 Omega Seamaster Professional Diver 300M | SMP 300 | Seaweed Dial | 210.32.42.20.10.001 | Complete

2024 Omega Seamaster Professional Diver 300M | SMP 300 | Seaweed Dial | 210.32.42.20.10.001 | Complete

Omega - 210.32.42.20.10.001 · $4,750
This is a 2024 Omega Seamaster Professional Diver 300M "Seaweed SMP300" with a Seaweed dial, featuring a matching strap that makes the dial pop. It comes with box and papers.

  • Condition: Used | Great Logistics
  • Diameter: 41mm
  • Water Resistance: 300m
Posted at
Dec 7, 2025, 12:27 PM
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[WTS] Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $3200

Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $3200

Omega - 232.30.46.21.01.001 · $3,200
A Omega Seamaster Planet Ocean 45mm is for sale with its original packaging and accessories.

  • Condition: Some hairline scratches on the case, small knick on lug, signs of wear on bracelet
  • Box And Papers: Yes, including outer/inner boxes, instruction manual, warranty card, original accessories
  • Shipping: Via FedEx Ground with signature confirmation
  • Payment Methods: Zelle preferred, PayPal G&S available, banks wire
Posted at
Dec 7, 2025, 12:04 PM
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[WTS] Omega Seamaster 300M Nekton 42mm 210.30.42.20.01.002 Full set

Omega Seamaster 300M Nekton 42mm 210.30.42.20.01.002 Full set

Omega - 210.30.42.20.01.002 · $4,400
Up for sale is an Omega Seamaster 300M Nekton edition 42mm, featuring a primary matte finish dial with polished waves and solid case back.

  • Condition: Great to excellent condition, some marks on the case and bracelet
  • Movement: Omega Cal. 8806, METAS certified
  • Water resistance: not specified
  • Strap: OEM Omega rubber strap (can be included in the sale for additional cost)
Posted at
Dec 7, 2025, 12:02 PM
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[WTS] Omega Seamaster Sparkle Dial ✨ 166.0281 - Original BOR bracelet (Serviced) only for 550$ Shipped 🚢

Omega Seamaster Sparkle Dial ✨ 166.0281 - Original BOR bracelet (Serviced) only for 550$ Shipped 🚢

Omega - 166.0281 · $550
This Omega Seamaster reference 166.0281 features a stainless steel/gold plated case with a sparkle effect on the dial. The watch has been recently serviced and comes with an original BOR bracelet.

  • Condition: Used, rough case with corrosion and fading at lugs
  • Case material: Stainless steel/gold plated
  • Case size: 33mm
  • Bracelet length: 7.3 inches
Posted at
Dec 7, 2025, 9:49 AM
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[WTS] Omega Seamaster Classic Sunburst Dial - Chronometer Rated Reference 168.024 - Cal. 564 Chronometer Automatic - From 1969 - $1250

Omega Seamaster Classic Sunburst Dial - Chronometer Rated Reference 168.024 - Cal. 564 Chronometer Automatic - From 1969 - $1250

Omega - 168.024 · $1,250
A 1969 Omega Seamaster with a chronometer-rated Cal. 564 automatic movement and a timeless case design. The watch features a white sunburst dial that has developed a subtle champagne tone.

  • Movement: Cal. 564 Chronometer Automatic
  • Year: 1969
  • Case size: 35mm (excluding original signed crown)
Posted at
Dec 7, 2025, 6:37 AM
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[WTS] OMEGA Seamaster GMT Diver 2535.80.00

OMEGA Seamaster GMT Diver 2535.80.00

OMEGA - 2535.80.00 · $3,700
This listing is for a pre-owned OMEGA Seamaster GMT Diver in 41mm size that comes with a clean crystal and is suitable for wrists between 6.5-6.75 inches.

  • Condition: preowned, minor hairline scratches, clean crystal with possible marks under magnification
  • Size: 41mm diameter
  • Wrist size range: 6.5-6.75 inches
  • Shipping: free 2-day insured FedEx shipping
Posted at
Dec 7, 2025, 1:03 AM
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[WTS] (2021) Mint Omega Seamaster Railmaster 40mm Grey Dial 220.10.40.20.06.001 $2,600

(2021) Mint Omega Seamaster Railmaster 40mm Grey Dial 220.10.40.20.06.001 $2,600

Omega - 220.10.40.20.06.001 · $2,600
This Omega Seamaster Railmaster is a 2021 model with a grey dial and 40mm case size, offered for sale in full set condition including box and papers.

  • Condition: lightly used with very little signs of use
  • Case size: 40mm diameter
  • Year: 2021
  • Condition notes: very little signs of use
Posted at
Dec 6, 2025, 11:54 PM
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