TW [Patek Philippe] Complex Function Chronograph Series 5170G-001 Series 1 launches a new model equipped with [Roman dial], which injects a retro temperament into the watch and is favored by high-quality mechanical timepiece enthusiasts. 2 Carbon gray gold three-dimensional blocks covered with fluorescent coating, tachymeter scale. 316 fine steel material. The unique design of the three-layer lugs brings a completely different visual enjoyment. The lugs and case are visible from the side. The connection is natural and smooth, the lugs show an elegant arc, and it is ergonomically set. It has sapphire glass, a waterproof coefficient of 30 meters, a diameter of 42 mm, and is equipped with a 7750 chronograph movement for accurate travel time. 3 Imported Italian calfskin, original imported folding clasp, perfect, welcome to reprint. Produced by Tw, it must be a high-quality product, you deserve it! 【White 1650 Gold 1700】,,patek philippe,cowhide