IWC   Automatic movement
*Hack mechanism (second hand stops when crown is pulled out to set the time - standard feature on all genuine Rolex watches)
*Sapphire crystal watchglass
*Screws in the links. not pins
*Rubber seal at trip-lock winding crown
*IWC  Luminescent hour markers/hands
*Magnified quick-set date at 3 oclock position
*Serial band/number on last link/lugs
*Standard Jubilee-band clasp. with serial number and steelinox markings on clasp
*Full Stainless Steel band/case. and will never fade or wear
*Solid back with characteristic Rolex green sticker
*Screw-in watch crown
*IWC  All the appropriate Rolex markings in the correct places