Three mechanical travel alarm clocks, 20th century
Metal, plastic, and leather, set of three folding travel alarm clocks, all with manual wind-up movement, in working condition with functional alarm mechanisms, 1) black clock with rectangular leather case and floral decoration on the top (sticker), gold-colored dial marked “Deluxe”, 2) green clock in a plastic case with gold-rimmed dial marked “Klinge”, 3) Dugena clock with round brass case and cream-colored plastic case, gold-colored dial with clear Roman numerals, minor stress cracks in the plastic crystal of the Dugena clock, all in age-appropriate good used condition, each approx. 7x7x3 cm (HxWxD)