70s Vulcain Gold Plated Bracelet Watch Georges Claude Rotating Case PARTS REPAIR. Marked Plaque g10 which means 10k gold plated. Band marked Brev Dep. Back of case marked B4114F. Condition -Not working, scratches on crystal. This watch was introduced at the European Watch Clock and Jewellery Fair in 1974. The hinge at 3 o’clock and 9 o’clock provides an original adjustment system for the wrist. Information obtained from the Europa Star website.