A mid 20th Century Swiss rectangular gold wristwatch by Patek Philippe. Keyless nickelled bar movement with going barrel. Plain cock with polished steel micrometer regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement, escape pivots with endstones. Signed white metal dial with subsidiary seconds, applied gold batons, gilt hands. Rectangular 18 carat gold curved front case, gold back marked “Patek, Philippe & Co Geneve”. Brown crocodile strap with gilt buckle.