A 1960’s era Dick Tracy wrist radio (top C) is modeled in District Heights, Maryland September 8, 2014 alongside contemporary smartwatches in a combination of file photos. Rumors of an Apple smartwatch go back several years, but September 9, 2014 may finally be showtime. The watch, which will reportedly have a flexible screen and come in two sizes, will track its wearer’s health and fitness, double as an electronic wallet and of course, display messages. Top row (L-R): A Samsung Gear S smartwatch in Berlin on September 5, 2014, a 1960’s era Dick Tracy wrist radio in District Heights, Maryland on September 8, 2014, and a Samsung Gear 2 smartwatch in Barcelona on February 23, 2014. Bottom row (L-R): A Moto smartwatch in San Francisco, California on June 25, 2014, a Samsung Galaxy Gear smartwatch in Berlin on September 4, 2013 and an LG G Watch R smartwatch in Berlin on September 5, 2014. REUTERS/Staff (UNITED STATES – Tags: BUSINESS SCIENCE TECHNOLOGY TELECOMS)