Certina - An 18ct gold wristwatch, circa 1970, model number 1910 076, serial number 770845, the circular champagne dial, 23mm diameter, with black batons and hands and date window at 3 o'clock, signed but unnumbered 32 jewel mechanical automatic movement calibre 17-211, case, 25mm diameter, verso snap on, plain and polished, numbered 1910 076 770845, interior liveried with Swiss mark for 18ct gold, Geneva and Poinçon de Maître: Hammer Head number 121 for Guillod Gunther SA together with 3 /10 case thickness stamp, to an aftermarket black leather strap with gilt pin buckle