A Swiss miniature travel clock, circa 1920, With a 17-jewel movement, the porcelain face painted with Roman numerals and 'Swiss', the base marked: 'Argent Dore 0.935 (silver), '54945' and 'Hase Geneve', the movement marked: '17 JLS. 3 ADJ', height 4.5 cm x width 3 cm x depth 2 cm