Patek Philippe Calatrava 1578

Case Round case in 18k yellow gold, polished, fixed bezel in 18k yellow gold, polished, ‘spider’ lugs, snap-on solid-gold caseback, polished, with ‘Patek Philippe & Co Geneve Swiss’, reference and case numbers stamped, winding crown at 3 o’clock Strap Dark brown alligator strap, pin buckle Dial Silvered sunburst dial, signed ‘Patek Philippe Geneve’, applied ‘arrowhead’ indexes, applied Arabic 3, 6, 9 and 12 numerals, ‘leaf’ hour and minute hands, blued ‘stick’ sweep seconds hand, outer 1/5-second track Movement Hand-wound mechanical movement, signed ‘Patek Philippe & Co Geneve’, double Geneva Seal stamped, nickel-coated, bridges with Cotes de Geneve, mainplate with perlage, Geneve-style stud holder cap, blued Breguet spiral, index adjuster with lateral screw and flat spring, engraved and gilt inscriptions, functions: hours, minutes, seconds Cal. 27CS Ref. 1578 Movement No. 701*** Case No. 672*** D= 36mm