Manual wind mechanical movement, case ref. no. 42138, enamel dial with Roman numerals and guilloche decoration. Early 20th century. 18k gold case (585/1000) with two covers (one metal), ref. no. 42138. Dimensions: 3 cm; Weight: 19 g gross. Swiss hallmark, remade with Lisbon contrast (1938-1984) (Vidal - 30). No box or papers. Condition: not working, oxidation, signs of wear.