Seiko 5 Sports Collection. With street-smart design, this new, smaller Seiko 5 Sports timepiece offers an updated take on vintage styling for both durability and all-day versatility. Providing automatic technology that you control with every movement, this distinctive watch is powered by a 21-jewel movement that beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 40 hours and manual winding capability. Framed by a 60-minute track marked in five-minute increments, the white sunray finish dial features a day/date calendar, and luminous hands and markers. Crafted of stainless steel in a two-tone finish, this effortlessly fashionable watch includes a screwdown caseback and tri-fold push button release clasp. 10 bar, 100M Water Resistant Case: Two-tone stainless steel case Case Diameter: 28mm Case Thickness: 11.20mm Case Length: 33.10mm Crystal:Hardlex crystal Water Resistance:10 bar, 100 meters (330 feet) Dial Color: White Strap: Two-tone stainless steel bracelet Lug Width: 14mm Movement: Caliber 2R06 21,600 vibrations per hour 21 jewels Power reserve: approximately 40 hours