Swiss, c. 1882-1915. 3 lid case made of 14 kt YG, No. 409093, D5G. Outside needle etched and with OS monogramm. Dust lid with dedication engraving. Enameled dial with arabic numerals, subsidiary second at 6 and gilt open worked hands. Gilt 2/3 plate movement with anchor escapement and balance-wheel with Breguet hairspring. 6 visible jewls, crown wind. Plastic lid add. Case with tiny traces of use. Diam. 5,5 cm, weight c. 97 g.