Case material: Yellow gold; Charge: Manual; Conditions: Never worn Year : 1959; Presentation condition : With boxes and all papers; Model: Portofino € 2650 Gmtbroker Reference: nessuna this is a very good iwc vintage gentleman`s watch, in 18k yellow gold. manufactured in 1959, this model has cal. 88 striking. collectors item! classic and beautiful gentleman`s watch. 12 month of bachmann & scher`s warranty!