18k yellow gold dress open face pocket watch for Tiffany, circa 1920s, 42mm diameter. Golden metallic dial with black Arabic numerals, minutes ring and subsidiary constant seconds register signed Tiffany & Co. and marked Switzerland. 18k yellow gold hinged back case and curvette with stylized initials center back and marked inside Made for Tiffany & Co. by the Agassiz Watch Company Switzerland. 17 jewel 6 adjustment movement by Agassiz. Watch in good working condition with two slight dents on case back.