Make: Porsche Design Replica Manuacturer: Porsche DesignMovement: Japanese Made OS20 Quartz Movement ChronographFunctions: Working & fully functioning Chronos;Minute and hour totalisators activated by push buttons;Stopwatch Feature Available Exactly like the Authentics;Seconds Hand Functions at the 6 O' Clock Sub DialCrystal: sapphire glass to withstand scratches , formed of corundum, 2.1 mm thickCase: stainless steelBezel: Stainless steel indexed bezel witha protected screw-in button with a crown logoBracelet: Black rubberDial: BlackDimensions: 48 mmRemarks: Man size