Cyma - A Swiss 18ct gold wristwatch

circa 1950, model number 88270, serial number 934, circular silvered dial with gold coloured quatre Arabic numerals, hands and centre sweep, 15 jewel mechanical crown wind movement number 137079, calibre 138 KQ, case, 32mm diameter, verso snap on, interior numbered, together with Swiss mark for 18ct gold, additionally marked 18K 0.750 and with Poinçon de Maître: Hammer Head number 129 for Junod & Company, to a stitched black strap with steel pin buckle