Seiko 5 Sports U.S. Special Creation Available exclusively in the U.S. Automatic with manual winding capability 21,600 vibrations per hour Power reserve: approximately 41 hours 24 jewels Black uni-directional rotating elapsed timing bezel Sapphire blue dial with sunray finish Day/date calendar Luminous hands and markers Screwdown see-through case back Case diameter: 42.5mm Stainless steel case and bracelet with gold finish Tri fold push-button release clasp with lock Water-resistant to 10 bar, 100 meters (330 feet) Caliber 4R36