Quantième Perpétuel Automatique, Ref:B45969, Case No.317, Circa 1980
38-jewel Cal.2120/2, straight line lever escapement, monometallic balance, adjusted to heat, cold, isochronism and 5 positions, shock protection, self compensating balance spring, 21ct gold rotor, white enamel dial, outer minute divisions, applied baton hour markers, polished baton hands, subsidiary dials for moon phases with age of moon, month, date and day, brushed and polished 18ct gold case, snap on engraved case back, diamond set bezel, integral 18ct gold Audemars Piguet woven bracelet with folding clasp, together with leather wallet and certificate, case, dial and movement signed 36mm.