Yellow gold gusset soap watch (750). Front and back cover decorated with flowers, unencrypted cartouche on a guilloche pattern background. Dial with gilded background, signed NATIONAL WATCH, black painted hour-markers, Arabic numerals for the hours, railway for the minutes. Second hand at 6 o'clock. Hand-wound mechanical movement. Yellow gold dust cover (750) marked NATIONAL WATCH Co, Chaux de Fonds. Gross weight : 57.3 g. - Diameter : 46 mm. Shocks, scratches, rear hinge slightly offset. Dust cover to be refixed. Inscriptions on the dial erased.