Lucerne, Switzerland, Art Deco (c. 1925–1930). Miniature folding travel/purse clock by E. Gübelin & Co., square case in .935 sterling silver with engine-turned decoration, black and green hard-glass enamel accents, beveled square bombé glass, and a movable jump ring with slider rail stand for desk display. Movement: Swiss mechanical manual-wind 8-day, 15 jewels, 2 adjustments, signed “SWISS E. GUBELIN LUCERNE”; dial: gilt square with Arabic numerals, black linear frame, and steel Breguet hands, signed “E. GUBELIN LUCERN SWISS.” Dimensions: 51 x 34 x 53 mm (2.0 x 1.34 x 2.09 in). Weight: 50.95 g (32.70 dwt). Hallmarks: pre-1933 Swiss marks incl. standing bear for .935 silver; maker’s mark; serial and full signature “E. GUBELIN SWITZERLAND .935 55226 PATENT No. 125267.” excellent overall with only light wear; silver clean, enamel in perfect condition.