Smiths Sectronic Clocks. Presenting Smiths transistorised time. Vintage Advert. Classic original advert 1969. This advert is in 2 halves and is sold unmounted. All our adverts, unless clearly stated are Originals from the date shown. They make excellent pieces of wall art and stunning gifts. Many are rare and hard to find and once sold, may not be replaced. Remember you are buying a piece of history. Website watermark is not on original.