18k yellow gold collar watch, white enameled dial applied with Roman numerals and railroad minute track (minor accidents), engraved back, gold bail and metal dust cover. Hand-wound mechanical movement with key (untested, key missing). Diameter: 3.1 cm - Gross weight: 20.7 g The watches are sold as is, and the study is at your entire disposal to share its observations on the operation of the watch mechanisms, but cannot guarantee the level of expertise of a watchmaker.