NOT FOR RELEASE BEFORE APRIL 1 1978
European Watch Clock and Jewellery Fair 1978 BF 203
Rugged yet stylish, an exclusive IWC design All-steel or 18K gold case, water-resistant to 10 and 6 atmospheres respectively, screwedin crown and sapphire glass Double shock-protection system for its extra-thin selfwinding movement. A monogram can be engraved on the case (International Watch Co IWC - Yacht Club II)