Franck Muller, Casablanca, ref. 7502 S6 R, a lady's 18 carat gold and ruby wrist watch, no. 01, manual wind movement, cal. 7500, ruby coloured dial, luminous Arabic numerals, luminous lozenge hands, subsidiary seconds dial, ruby set case, screw down back with four screws, stamped with 18 carat gold common control mark, on a Franck Muller red leather strap with gold coloured pin buckle, stamped 750, case back, dial, movement, crown, strap and buckle signed, accompanied by a Franck Muller box, guarantee certificate and outer card packaging, width 29mm Following the curvaceous styles, popularised in the 1930s by Count Alexis de Sakhnoffsky, Franck Muller’s watch cases have become instantly recognisable design classics. This Casablanca reference showcases the art of stone setting with the pave rubies seamlessly following the sinuous lines of the case.