Patek Philippe Grand Complications 5271

The Patek Philippe Grand Complications 5271, reference 5271P-010, is a chronograph set with diamonds, with a 41 mm platinum case. A perpetual calendar and moon phase accompany date, weekday and month displays. Manual-winding calibre CH 29-535 PS Q is visible through a display back. The round case measures 12.7 mm thick and carries a 30 metre water-resistance rating. An alligator leather strap uses a platinum folding clasp. On the black dial, small seconds accompany a tachymeter.