Patek Philippe Calatrava 3601-1

Patek Philippe. A fine 18ct white gold automatic calendar bracelet watch

Ref:3601/1, Case No.524110, Movement No.1307572, Circa 1975 36-jewel Cal.28-255C automatic movement adjusted to heat, cold, isochronism and 5 positions, sunburst blue dial with applied polished baton hour markers, polished pointed baton hands, date aperture at 3, brushed and polished round case with snap on back, integral 18ct gold smooth link bracelet with signed folding clasp, together with fitted Patek Philippe box, case, dial and movement signed 33mm.