Patek Philippe 3601-1

Patek Philippe. An 18k white gold automatic calendar bracelet watch

Ref:3601/1, Case No.524110, Movement No.1307572, London Hallmark for 1973 36-jewel Cal.28-255C automatic movement adjusted to heat, cold, isochronism and 5 positions, sunburst blue dial with applied faceted polished baton hour markers, polished pointed sword hands, bordered date aperture at 3, brushed and polished round case with snap on back, integral smooth link bracelet with signed folding clasp, together with slim Patek Philippe box , case, dial and movement signed 33mm.