18k yellow gold collar watch, white enameled dial with Roman numerals and railroad minute track (damaged), gold bezel and metal dust cover. Mechanical movement with key winding. Caseback no. 4020 11569. Diameter: 3.8 cm - Gross weight: 31.8 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.