Patek Philippe, 18k Gold Self-Winding Wristwatch with Date, Ref. 3514, circa 1960's Case: 33.4 mm, solid screw back case, curved downturned lugs, No. 326686 Dial: silvered, applied gold batons, subsidiary seconds, date aperture at 3, gold baton hands Movement: Cal. 27-460M, automatic winding, 18k gold rotor, 37 jewels, adjusted to heat, cold, isochronism, and 5 positions, gyromax balance, Côtes de Genève finish, Geneva Seal, No. 1117385 Band: leather, plated buckle Signed: Patek Philippe on the case, dial and movement HID03101062020 © 2020 Heritage Auctions | All Rights Reserved