European Watch Clock and Jewellery Fair 1983 BF 130
For townwear and sports use : “Force 12”, a stylish new design with
a case guaranteed water-resistant to a depth of 30 m. Protected crown, crystal hardness of about 900 Vickers, leather strap specially protected against seawater. Extra-thin quartz movement with centre seconds and calendar. (BULER QUARTZ “Force 12”)