Patek Philippe: A modern 18ct. gold perpetual calendar chronograph wristwatch, model 3970/E, calibre CH27-70Q, with concave bezel, the silvered dial with raised gold baton numberals, subsidiary dials for running seconds combined with twenty-four hour indication, elapsed minutes combined with leap year indication, the sector at six for the moon combined with date ring, apertures for day and month, sweep centre seconds operated by two round buttons in the band, the case with screwed back and makers adhesive sticker, original brown leather strap and 18ct. gold buckle, certificate of origin and red leather wallet with instructions