An antique 1900s open-face pocket watch with musical mechanism by Tissot, Switzerland. Round sterling silver case. White enamel dial with sub-dial, Arabic numerals, marked Tissot. The side crown turns on the music play. Guilloche decor on the backside. Hallmark of 800 silver standard, German crescent and moon mark and makers mark AD are inside the lid. Hallmark Repetition a Quarts, Systeme Perfectionne with medals on the mechanisms cover. Collectible Silverware, Clocks And Watches, Accessories For Men.