Seiko Prospex SPB103J1 is a new 'Sumo' model with a refreshed appearance and a brand new caliber.
Movement: Automatic with manual winding capacityCaliber 6R35 Jewels: 24
Power Reserve: 70 hours
Stainless Steel case with a mixture of polishing and brushing
Diameter: 45.0mm Thickness: 12.9 ㎜
Dial: Green
Lumibrite on hands, indices and bezel
Sapphire crystal
Unidirectional rotating bezel
Stainless steel bracelet with three-fold clasp, secure lock , push button release & extender
Water resistance: 200m / 660ft diver's ISO-certified
Screw-down crown and case back
Stop second hand function
Date display
Made in Japan