Tiffany & Co. and Octava Watch co., a gold travel clock, mid 20th century, the circular dial

Tiffany & Co. and Octava Watch co., a gold travel clock, mid 20th century, the circular dial with luminescent indicators and hour hand, minute hand deficient, movement signed Octava Watch Co. Switzerland; within a gold display case, measuring 8.3 x 7.6 x 1.7cm when closed, signed Tiffany & Co., maker's mark, stamped 18K, gross weight 213 grams