Official Authorized Dealer Seiko official 3 year warranty included Seiko 5 Sports Field collection These watches have been created with an ‘in the field’ military design – taking inspiration from a style originally called a ‘trench watch,’ created to be robust and reliable – echoing the Seiko 5 Sports characteristics. Seiko 5 Sports is known for over fifty years of reliability, durability, performance and value.‘’5’’ represents the original five key features of every Seiko 5 still present today: Automatic movement, Day-date display, Water Resistance, Recessed crown and Durable case and bracelet. Movement Calibre:4R36Movement Type:Automatic with Manual WindingPower Reserve:41 Hours Exterior Dial Colour:BlackLumiBrite:Lumibrite on hands and indexesCase Material:Stainless steelStrap/Bracelet:Stainless steelClasp:Three-fold clasp with push button releaseCase Diameter:39.38mmCase Thickness:13.22mmCase Length:48.07mmLug Width:20.0mm Other Specifications Water Resistance:10 barCrystal Type:Curved hardlexOther Specifications:See-through case backWatch Function:Day/Date display, Stop seconds hand function Warranty 3-Year Seiko Warranty Included