European Watch Clock and Jewellery Fair 1984 BF 307
A pair of stylish yet functional sports models designed for sailors, navigators and divers. Dial with excellent legibility even at great depths. Unidirectional rotating bezel with time or navigational graduations. Water-resistant down to 100 m, with screw-lock crown and sapphire crystal. Quartz movement with centre seconds and calendar. (BREITLING “Cup”)