A rock crystal, ruby and diamond quartz wristwatch, by Royal Diamond for Chatila

A rock crystal, ruby and diamond quartz wristwatch, by Royal Diamond for Chatila
The pavé diamond heart-shaped dial with square-cut ruby shoulders and pavé diamond lugs, to a carved frosted rock crystal bead twin row bracelet, with pavé diamond bar spacers, case 22mm wide, bracelet 19.7 cm long
Case signed Royal Diamond of Geneva, clasp with maker's mark NC for Chatila