Gold Wrist Chronometer no. 5298

Case: Dial: Movement: 10''' tonneau, all adj, 18 jewels, Geneva seal Provenance: 19?? - Niton, Geneve 20?? - Ebay, Privat, collector in Europe, provenance Miami, previously Havanna-Cuba 18k yellow gold tonneau shaped case with white gold rim with flower motiv on lid/cabrio, hr, min, sec. No Niton on mvt, E. Gubelin Switzerland on case back