VACHERON CONSTANTIN CALATRAVA GABUS FRERESBrand Model Production Year Material Diameter Lug to lug Thickness Caseback Dial Movement Crystal Strap Condition Description Vacheron Constantin Dress Watch 1950s 18K yellow gold 33 mm 43 mm approximately 7. 5 mm Screw down, marked Gabus Frres with Geneva Key hallmark number 141 Silvered sunburst, applied baton markers, dauphine hands, small seconds at six oclock Vacheron Constantin Caliber 1001, manual wind, ultra thin, adjusted to heat, cold and