Seiko 5 Sports Collection Inspired by vintage designs worn by early pilots Automatic with manual winding capability 21,600 vibrations per hour Power reserve: approximately 41 hours 24 jewels Green dial 60-minute track marked in five-minute increments Day/date calendar Luminous hands and markers Orange-tipped second hand Screwdown see-through caseback Case diameter: 39.4mm Stainless steel case Green nylon strap with orange lining Water-resistant to 10 bar, 100 meters (330 feet) Caliber 4R36
