Seiko 5 Sports Collection Inspired by vintage field/aviator style Automatic with manual winding capability 21,600 vibrations per hour Power reserve: approximately 41 hours 24 jewels Silver sunray dial 60-minute track marked in five-minute increments Day/date calendar Luminous hands and markers Screwdown see-through caseback Case diameter: 36.0mm Stainless steel case Dark gray leather strap Water-resistant to 10 bar, 100 meters (330 feet) Caliber 4R36
