Omega Seamaster Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator
Reference 511.13.40.20.04.002
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

Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )
This is a brand new Omega Seamaster 300 with a 42mm stainless steel case, black dial, and bezel on a bracelet.
- Condition: Brand new
- Movement: 8800 Master Co-Axial
- Case size: 42mm
- Shipping options: [object Object]

Omega Seamaster 300M - White Dial - 42mm - 210.30.42.20.04.001 ( new / 2024 )
This Omega Seamaster 300 is a brand new, complete set watch with all boxes, papers, booklets, and hang tag, featuring a Master Chronometer 8800 movement.
- Condition: Brand new
- Case material: Stainless Steel
- Case diameter: 42mm
- Movement: 8800 Master Co-Axial Movement
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Rare Omega Seamaster Chronostop Ref. 145.008 Cal. 865 | $1,650
This Omega Seamaster Chronostop Ref. 145.008 features a 41mm case size, manual wind movement, and a 120m water resistance. It has two signed crowns and comes with a racing strap.
- Condition: Good with some markings on the case and dial
- Case Size: 41 x 47 mm
- Thickness: 13 mm
- Water Resistance: 120 meters
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Omega Seamaster Omegamatic / 1100$
The Omega Seamaster Diver 200M features a 36mm stainless steel case, housing the auto-charging (kinetic) quartz caliber 1400.
- Condition: Very good
- Case size: 36mm diameter
- Movement type: auto-charging (kinetic) quartz
- Water resistance: 200m depth rating
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Omega Seamaster Aqua Terra - Black Wave Dial & Red Gold Hands-Indices
This Omega Seamaster Aqua Terra features a black wave dial and 18K red gold hands and indices, housed in a 41.5mm stainless steel case on a stainless steel bracelet.
- Condition: Excellent all-around condition
- Case size: 41.5mm
- Bracelet material: stainless steel
- Movement: Omega Master Co-Axial Calibre 8500
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[US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 234.30.41.21.01.001 - Full Set
This Omega Seamaster 300 Heritage is a 41mm watch with a black dial, featuring mechanical functions without issue.
- Condition: Fantastic with minor hairlines
- Case size: 41mm
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Omega Seamaster Cosmic 166.035 $580
A beautiful Omega Seamaster Cosmic Date from the 1960s, featuring a stainless steel case measuring 35mm in diameter, silver brushed dial with dark outer minute track, and an authentic automatic movement. The watch has a day and date window at 3 o'clock and comes on an Omega black leather strap.
- Condition: good condition with signs of wear
- Case size: 35mm diameter
- Dial color: silver
- Movement accuracy: +13 sec/day
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Omega Seamaster Professional 300M 2531.80 41mm Early Batch Full Set $2900
This Omega Seamaster Professional 300M is a rare watch from the second batch of 2531.80, featuring an early 1109 movement and a specific shape end links. The watch has a blue aluminum bezel and a sapphire crystal with a wave texture on the caseback.
- Condition: Great condition, lightly polished by previous owner
- Case size: 41mm diameter
- Lug to lug: 47mm
- Thickness: 12mm
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Omega Seamaster Diver 300m - Summer Blue - Full set - $4600
A used Omega Seamaster Diver 300m in Summer Blue, a popular and stylish diver's watch.
- Condition: Good condition with some hairlines
- Water resistance: 300m