A SOLID SILVER & PURPLE GUILLOCHE ENAMEL 8 DAY FOLDING TIFFANY & CO TRAVEL CLOCK CIRCA 1920S, D: White enamel dial with applied luminous Arabic numerals, outer minute track, original blue steel cathedral hands. M: 8 day manual wind movement with lever escapement, signed Concord Watch Co. C: Eight sided Folding case, signed Tiffany & Co, marked sterling silver, case width measures approx. 72mm.