Germany Pforzheim 1918 Art Deco Guilloché Enameled Clock In .935 Sterling

An art deco miniature boudoir desk clock. Extremely beautiful miniature desk clock, made in Pforzheim Germany during the art deco period, back in the 1920. The craftsmanship of this boudoir clock is exceptional, crafted with gorgeous geometric deco patterns, in solid sterling silver .935/.999 with polished finish. It is mounted in a rectangular beveled base which is surmounted in two pyramidal shaped pedestals carved with floriated motifs. The case is completely embellished with engine turned Guilloche designs, which are  topped with applications of mainly vivid yellow and accents of navy royal blue color glass enamels. Dial: The dial is round, made of white porcelain with gilded dotted batons, analog with black Arabic numbers. Blued steel Breguet hands, unsigned as usual. Movement: Swiss, Mechanical 8 days, double key winding. Weight: 215.20 Grams, (137.95 Dwt). Measurements: 75 mm by 42 mm by 108 mm (2.93 x 1.65 x 4.25 Inches). Hallmarks: The case is stamped with German post 1886 marks, the maker's mark ZT inside a squared cartouche, the mark for the assay of the .935 silver and the mark of the crown with the crescent quarter moon. German Hallmarks The German hallmarking system was unified in 1888 (Decree January 7, 1886) adopting the national mark "Crescent and crown" (Halbmond und Reichskrone) for silver and the "Sun and Crown" (Sonne und Reichskrone) for gold. Silver fineness is expressed in thousands with a minimum silver content of 800/1000, bu