Seiko - Prospex Sumo - SPB103J1 - Watch Specs & Virtual Try-On

Detailed specifications and high-quality images of the Seiko Prospex Sumo SPB103J1. Check dimensions and virtual try-on.

Watch summary

The Seiko Prospex Sumo SPB103J1, also known as the 'Hulk' or 'Green Sumo', is a robust diver's watch with a striking green sunburst dial. It features an automatic 6R35 movement with a 70-hour power reserve and a comfortable wrist presence despite its size. The watch is water-resistant to 200 meters, making it suitable for diving.
Case Diameter
45mm
Movement
Automatic Caliber 6R35
Power Reserve
70 hours
Thickness
12.9mm
Lug-to-Lug
52.6mm
Retail Price (USD)
$1,400
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Seiko preview

The Seiko Prospex Sumo SPB103J1, also known as the 'Hulk' or 'Green Sumo', is a robust diver's watch with a striking green sunburst dial. It features an automatic 6R35 movement with a 70-hour power reserve and a comfortable wrist presence despite its size. The watch is water-resistant to 200 meters, making it suitable for diving.

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