Patek Philippe 5170J-001 Chronograph 5170J 18K Yellow Gold Silver Dial
Patek Philippe Chronograph 5170J 18K Yellow Gold Silver Dial (5170J-001). Patek Philippe Chronograph 5170J-001, 5170J, 5170J001, has an 18k yellow gold case on a strap with a matching 18k yellow gold deployant clasp.