OFFICIAL STOCKIST | Seiko Watches from Robert Openshaw Fine Jewellery. As the inventor of the quartz watch in 1969, Seiko has led the watch industry for four decades in refining quartz technology for each new generation. Today, Seiko also offers a full range of quartz watches powered by light, capable of converting all types of light into energy, with no battery replacement ever required. Seiko Solar is a bright idea that is good for the planet. The Seiko Watch collection is available from Authorised Stockists, Robert Openshaw the Jewellers..