Feature Environmental IPG 2/TONE electroplating Operating temperature:-10°C ~ 50°C Walking on error ±45 S/M Original JAPAN time module quartz movement with SEIKO S626 battery Trendy big display screen Advanced manufacturing technology Watch crown with environmental IPS bronze electroplating Watch dial with Hi-tech LED photo permeability Real stainless steel back case with Hi-tech laser logo Time , second , month , date, week , and alarm function The design of dual movements with the latest breakthrough of Japan Quartz & LED digit technology Four buttons to control different functions Under any mode, press any key once to check time and illuminate LED for three seconds 3 ATM water resistant   Movement- Original JAPAN QUARTZ LED Display:Digital&Analog Band Material:Staintess steel Case Diameter:5.0cm(1.97 inch) Case Thickness:(0.63 inch) Band Length:27.0cm(10.63 inch) Band Width:2.0cm(0.79 inch) Clasp:Fold-Over-Clas-with-Satety     Package Included:  -1 x WEIDE Watch