Pocket watches were the predecessor of modern wristwatches. The Tour de l'lle wristwatch is one of the most complicated wristwatches in the world. Omega Speedmaster is a line of chronograph wristwatches produced by Omega SA. Revue Thommen is a timepiece company founded in Switzerland which produces wristwatches and aircraft equipment. Automatic chronograph wristwatches were not available until 1969. Everyday clocks such as wristwatches have finite precision. The Titan Chronograph was the first watch to use titanium in wristwatches. Seiko uses lithium-titanate batteries in its Kinetic (automatic quartz) wristwatches. Most are used for consumer devices such as wristwatches, clocks, radios, computers, and cellphones. Hublot Manufacture produced MP-05 "LaFerrari" Sapphire hand-wound Tourbillon wristwatches inspired by the FXX-K coupe. Wristwatches and smaller clocks do not use pendulums as the timing device. Notable products include the Luminor and Radiomir wristwatches. Montres TUDOR SA is a Swiss manufacturer of wristwatches based in Geneva. The Hamilton Watch Company is a Swiss manufacturer of wristwatches based in Bienne, Switzerland. Ulysse Nardin introduced the "Freak" wristwatches in 2001.