Description:   Automatic movement    Hack mechanism (second hand stops when crown is pulled out to set the time ?standard feature on all genuine rolexes)   Sapphire crystal glass for better protection on the face.    Full stainless steel band/case (not stainless steel coated ?so will NEVER fade or wear!)   Serial/band number on last link/lugs   Fliplock oyster bracelet, steelinox clasp.   Screw in crown   Luminescent hour markings/hands   Magnified quick-set date   Water resistant but not fully water proof.