An 18ct white gold Frank Muller Casablanca automatic chronograph strap watch, An 18ct white gold Frank Muller Casablanca automatic chronograph strap watch, with a cushion shape case, 31mm x 38mm, with a silvered guilloché dial, black Arabic numerals, blued spade and heavy double swell hands, chronograph subsidiary dials, to an after market blue embossed leather strap and Franck Muller buckle, common control mark 750, Swiss Assay mark for 18ct gold standard, case signed 'Master of Complications, no.68', ref. 5850cc A, 82.51g Buying this wristwatch at auction could save up to 0.80 tonnes of CO2e compared to buying new. Condition Report: Currently running. No guarantee as to timekeeping or continued running. Crown winds and hands adjust. Chronograph calibrates to zero. Marks and scratches to case. After market leather strap showing creasing at perforations, and with a thread loose to one side of buckle.