Seiko 5 Sport Automatic Mens Black Dial Watch SRPK29 Seiko 5 Sport Automatic Men's Black Dial Watch SRPK29 Seiko 5 SportsAutomatic with manual winding capability21,600 vibrations per hourPower reserve: approximately 41 hours24 jewelsBlack uni-directional rotating bezelBlack dialDay/date calendarLuminous hands and markersScrewdown see-through casebackCase diameter: 38.0mmStainless steel case and braceletTri-fold push button release clasp with secure lockWater resistant to 10 bar, 100 meters (330 feet)Caliber 4R36 Seiko 5 SportsAutomatic with manual winding capability21,600 vibrations per hourPower reserve: approximately 41 hours24 jewelsBlack uni-directional rotating bezelBlack dialDay/date calendarLuminous hands and markersScrewdown see-through casebackCase diameter: 38.0mmStainless steel case and braceletTri-fold push button release clasp with secure lockWater resistant to 10 bar, 100 meters (330 feet)Caliber 4R36 integration by Seiko 5 Sport Automatic Men's Black Dial Watch SRPK29 Seiko 5 SportsAutomatic with manual winding capability21,600 vibrations per hourPower reserve: approximately 41 hours24 jewelsBlack uni-directional rotating bezelBlack dialDay/date calendarLuminous hands and markersScrewdown see-through casebackCase diameter: 38.0mmStainless steel case and braceletTri-fold push button release clasp with secure lockWater resistant to 10 bar, 100 meters (330 feet)Caliber 4R36 Seiko 5 Sports SKX Sports Style GMT Series. Adding new richness to classic sport/dress design, this dynamic watch offers a new variation on the popular ?SKX? style. Equipped with automatic technology that you control with every movement, this versatile watch is powered by a 24-jewel movement that beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 41 hours and manual winding capability. The black dial features bold luminous hands and markers and a magnified date calendar, as well as a large red GMT hand for instant visibility and is framed by a sleek gold, black, and dark brown GMT bezel. A brown leather strap, with contrast stitching, the first in the series, adds rich texture and wearability, while the stainless steel case includes a screwdown see-through caseback for a view of classic timekeeping in action. 10 bar, 100M Water Resistant Case: Stainless steel case Case Diameter: 42.5mm Case Thickness: 13.6mm Case Length: 46mm Crystal:Hardlex crystal Water Resistance:10 bar, 100 meters (330 feet) Dial Color:Black Strap: Brown leather strap Lug Width: 22mm Movement: Caliber 4R34 21,600 vibrations per hour 24 jewels Power reserve: approximately 41 hours