An 18ct gold, coloured diamond and pink tourmaline quartz 'President' wristwatch, by Jahan

An 18ct gold, coloured diamond and pink tourmaline quartz 'President' wristwatch, by Jahan
The pavé brilliant-cut black diamond dial to square-cut pink tourmaline bezel and brilliant-cut black diamond lugs, with cabochon synthetic ruby crown, to a fancy link bracelet, each link with central square-cut pink tourmaline and brilliant-cut black diamond detail, with deployant clasp, case 34mm wide, black diamonds not tested for natural colour origin
Case signed President De Jahan No. 072