Patek Philippe. A fine 18K gold automatic perpetual calendar wristwatch with box and certificate of origin
Ref:3940J, Case No.3215646, Movement No.4338235, Sold 6th February 1990
27-jewel Cal.240 Q automatic movement adjusted to heat, cold, isochronism and five positions, Gyromax balance and 22K gold micro rotor winding, stamped with Geneva Seal for quality, brushed silvered dial with applied faceted gold baton hour makers and dot outer minute divisions, gold lance hands, subsidiary dials at 3, 6 and 9 for day, date, month, leap year and 24-hour indicator, moon phase aperture at 6, polished tonneau shaped case with snap on back, signed crown and quickset buttons to the band, fitted Patek Philippe black alligator strap and Patek Philippe 18K gold buckle, together with fitted Patek Philippe box, outer card, instruction manual and certificate of origin , case, dial and movement signed
36.5mm.