Patek Philippe 5970P-001 Perpetual Calendar Chronograph, 5970P, 5970, platinum on a strap with a platinum deployant buckle, manual wind Patek Philippe Caliber CHR 27-70 Q, chronograph, perpetual calendar (day, date, month, leap year, moon phases, AM/PM indicator), 24-hour indicator, black dial with applied baton markers, printed railway minute track with tachymetric scale, size: 40mm, thickness: 12.9mm, sapphire crystal, display back. Like New with original Patek Philippe box, extra solid caseback, and papers 2009.