ATENÇÃO EU USEI ELE SOMENTE UM MES E GUARDEI, PODE SER QUE A BATERIA DELE PRCISE TROCAR POIS ESTÁ DANDO SINAL DE FIM.BATERIA FACIL DE ACHAR ( 370/371)POR ISSO O PREÇO ESTÁ BAIXO, PRA COMPENSAR Specification (approximate):- Case Diameter: 42mm- Case Thickness: 11mm- Band Width: 20mm- Total Length: 245mm- Product Weight:86gPackage Included:- 1 x CRRJU WatchFeatures:Function: 1/10 second,second and minute chrongraph;calendar window.Movement: quartz movement (Japan Made)Mirror Material:HardlexWATERPROOF HANDWASH, SWIMMING, NO PROBLEM ! Perfect for all kind of business, casual, indoor activities or daily use. NOTE: Please DO NOT press any buttons in the water or wear this watch for longtime underwater activities - such as diving, ect.