Patek Philippe: A modern 18ct. yellow gold perpetual calendar automatic wristwatch with glazed back, model 3941, the silvered dial with raised baton numerals, subsidiary dials for date combined with sector for the moon, day combined with twenty-four hour dial, and month combined with leap year indication, the case with protected winder and snap on glazed back revealing the signed movement with gold microrotor, twenty-seven jewels, adjusted to heat, cold, isochronism and to five positions, numbered 770270, with makers black leather strap and gold deployant clasp, plastic tag, date change tool, red leather wallet, guarantee and presentation box