Seiko 5 Sports Collection Inspired by vintage field/military style Automatic with manual winding capability 21,600 vibrations per hour Power reserve: approximately 41 hours 24 jewels Blue dial Day/date calendar Luminous hands and markers Red-orange tipped second hand Screwdown see-through caseback Case diameter: 39.4mm Stainless steel case Black leather strap with contrast stitching Water-resistant to 10 bar, 100 meters (330 feet) Caliber 4R36
