RENATA SA, with its head office in Itingen near Basel (Switzerland), is a worldwide leading producer of button cells for electronic applications. The business – founded in 1952 with the goal to produce mechanical parts for wristwatches – specialised in button-battery cells in the late 70s and after this concentrated on the wrist-watch industry. Today, in the modern production plant at Itingen, where all services (research and development, production, quality assurance and marketing) are grouped. RENATA SA is a subsidiary of the Swatch Group Ltd. in Biel, Switzerland.