European Watch, Clock and Jewellery Fair 1979 BF 314
A new design of IWC’s reputed “Yachtclub” model alongside the lady’s model. Quartz movement with centre second and calendar protected by a special elastic suspension system in the case, itself solid stainless steel, water-resistant to 100 m, with screwed-down crown and sapphire crystal. These models are also available in 18K gold with case water-resistant to 60 m. (IWC - INTERNATIONAL WATCH CO.)