Seiko 5 Sports Manual and automatic winding capabilities 21,600 vibrations per hour Power reserve: approximately 41 hours 24 jewels Black dial and unidirectional rotating bezel Day/date calendar LumiBrite hands and markers Case diameter: 42.5mm Stainless steel case with black ion finish Green nylon strap Water-resistant to 10 bar, 100 meters (300 feet) Caliber 4R36
