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 green dial features bold luminous hands and markers and a magnified date calendar, as well as a large gold GMT hand for instant visibility and is framed by a dramatic dual-tone green and black GMT bezel. A stylized five-row stainless steel bracelet, with tri-fold push button release clasp and lock, adds rich texture and wearability, while the stainless steel case includes a screwdown see-through caseback for a view of classic timekeeping in action. Automatic with manual winding capability 21,600 vibrations per hour Power reserve: approximately 41 hours 24 jewels Luminous hands and markers Screwdown see-through caseback Case diameter: 42.5mm Water resistant to 10 bar, 100 meters (330 feet) Caliber 4R34