Patek Philippe Perpetual Calendar Chronograph 5970P

Patek Philippe, Patek Philippe A RARE AND IMPORTANT PLATINUM PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH REGISTER, MOON-PHASES AND LEAP YEAR INDICATION REF 5970P MVT 3931577 CASE 4490849 CIRCA 2010 platinum diameter 40 mm , • cal. 27-70/155 manual winding lever movement stamped with Geneva seal, 24 jewels • black dial, applied baton indexes, outer ring for tachymeter, apertures for day and month, subsidiary dials for constant seconds combined with 24-hour indication, 30-minute register combined with leap-year indication and date combined with moon-phases • platinum case, screw-down sapphire crystal display back, diamond to the band at 6 •  case, dial and movement signed  • with a platinum  Patek Philippe  folding buckle