Patek Philippe Chronograph Ref. 5170P-001 The Patek Philippe ref. 5170P-001, introduced at Baselworld 2017, is the manual-winding chronograph in 39.4 mm platinum with a blue dial shading to black and baguette-diamond hour markers. It was produced only briefly before the 5170 line ended. - Calibre CH 29-535 PS - Chronograph with 30-minute counter, small seconds, tachymeter scale - 39.4 mm platinum case - Blue dial shading to black, baguette-diamond markers - Black alligator strap with platinum deployant clasp Full set. Maker: Patek Philippe. Reference: 5170P-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.