Seiko Prospex SPB483J1

Features: Automatic Movement 6R55 24 jewels Hacking and hand winding 72 hour power reserve (3 days) Stainless steel case and bracelet with three-fold clasp, secure lock, extender, and push button release Sapphire crystal with anti-reflection on the inner surface Unidirectional rotating bezel Screw-down crown Screw case back LumiBrite on the hands, indexes, and bezel Date display Diameter: 41.3mm Thickness: 12.5mm Lug-to-lug: 48.2mm Distance between lugs: 20mm Water resistance: 300m Magnetic resistance: 4,800 A/m Made in Japan 3 year Seiko Warranty