Case material: Yellow gold; Charge: Manual; Conditions: Never worn Year : 1990; Presentation condition : With boxes and all papers; Model: Gentlemen Price on request Gmtbroker Reference: 16997 this is a very good audemars piguet gentlemans watch in 18k yellow gold. manufactured in the early 1990s, this model has got an ultra flat case! very elegant and classic gentlemans watch for every day! 12 month of bachmann & schers warranty!