Prospex Sumo Solar Chronograph - SSC759J1

Sumo, solar chrongraph divers, Affectionately named ‘Sumo’ by Seiko fans - because of its size and shape and the 12 o’clock marker – it’s a substantially strong looking timepiece. Solar-powered, the watch charges from natural and electric light. Blue dial and bezel. The accordion-style silicone strap combines style, high durability and comfort - a strap design invented by Seiko as a practical solution to the expansion and contraction of a diver's wrist at different depths. Seiko Prospex watches are designed for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative watchmaking has changed global dive watch standards.

Calibre Number
V192

Movement Type
Solar

Accuracy 
±15 seconds per month

Duration
Operating for approx. 6 months (when fully charged)

Exterior Case Material
Stainless steel

Crystal
Sapphire crystal

LumiBrite
Lumibrite on hands and indexs

Band Material
Silicone

Water Resistance
200m / 660ft diver's

Case Size
Thickness: 13.7 mm
Diameter: 44.5 mm
Length: 51.6 mm

Other Specifications
Screw case back
Screw-down crown
Unidirectional rotating bezel

Other Features
24-hour hand
Chronograph up to 60 minutes in 1/5 second increments
Date display
Display function of resuming electric power generation.
Equipped with small seconds hand
Overcharge prevention function