1950's Matthey-Tissot Triple Calendar Chronograph Valjoux Cal. 88 18K YG

A very handsome 1950s Triple Calendar Chronograph with Moonphase by Matthey-Tissot, in a large and sharp 37mm 18K yellow gold case, with a silver dial that has developed an even champagne patina, powered the famous and robust Valjoux cal. 88.