Audemars Piguet, wrist watch

in 18kt yellow gold, round case 30 mm. ref. C2786 - BA 4380. Black dial without indexes, sapphire crystal, bezel with Roman numerals in black enamel, mechanical movement with manual winding series n. 270477, signed case, dial and movement, original 18kt yellow gold buckle and leather strap. Complete with certificate of origin and guarantee certificate