For over 50 years, Seiko 5 Sports has delivered consistently high levels of reliability, durability, performance and value, endearing them to lovers of mechanical watches worldwide.Today, with a new design, this much-loved timepiece is re-born. ”5’’ represents the original five key attributes of every Seiko 5 watch: Automatic movement, Day-date display at the three o’clock position, Water Resistance, Recessed crown at the four o’clock position and Durable case and bracelet – features still present today.This model comes in the classic SKX Sports Style design, with hands coated in Lumibrite, for increased legibility. In addition to its uni-directional bezel, this piece has an exhibition case back, allowing you to view the in-house automatic movement at work. It has a 41-hour power reserve. MovementCalibre: 4R36Movement Type: Automatic with Manual WindingPower Reserve: 41 Hours|||ExteriorDial Colour: BlackLumiBrite: Lumibrite on hands and indexesCase Material: Stainless steelStrap/Bracelet: SiliconeClasp: Three-fold clasp with push button releaseCase Diameter: 42.5mmCase Thickness: 13.4mmCase Length: 46.0mmLug Width: 22.0mm|||Other SpecificationsWater Resistance: 10 barWeight: 100.0gCrystal Type: HardlexOther Specifications: See-through case back, Unidirectional rotating bezelWatch Function: Day/Date display, Stop seconds hand function