Pocket watch: early Patek Philippe half hunting case watch with very rare calibre with special winding mechanism, with extract from the archives, Geneva 1886: Ca. Ø44mm, ca. 74g, 18K 'pink' gold, rare half hunting case watch with enamelled numerals, case and movement with matching number 66112, extremely rare calibre with special winding and partial decorative engraving, enamel dial in very good condition, filigree steel hands, in very good condition, in working order.