* Hack mechanism (second hand stops when crown is pulled out to set the time ¨C standard feature on all genuine Rolex watches).

* Sapphire crystal watchglass.

* Screws in the links, not pins.

* Rubber seal at trip-lock winding crown.

* Serial band/number on last link/lugs.

* Full Stainless Steel band/case, and will never fade or wear.

* Solid back with characteristic Rolex green sticker.

* Screw-in watch crown.

* All the appropriate Rolex markings in the correct places.