Hublot worked on special flavors of 18k gold with EPFL University and had some press a couple years ago : http://news.discovery.com/tech/unscratchable-gold-1112

Hublot worked on special flavors of 18k gold with EPFL University and had some press a couple years ago : http://news.discovery.com/tech/unscratchable-gold-111227.htm http://news.discovery.com/tech/unscratchable-gold-111227.htm In French : http://www.lacotedesmontres.com/actu/Hublot-presente-Magic-Gold-un-nouvel-alliage-pour-l-horlogerie-la-bijouterie-et-la-joaillerie-developpe-en-collaboration-avec-l-EPFL-No_8870.htm http://www.lacotedesmontres.com/actu/Hublot-presente-Magic-G...