Citizen has launched a limited-edition watch model called the Promaster Tsuno Chrono Racer. The watch features a retro-inspired design with a bullhead chronograph. It includes a 44.5mm two-tone case and a British-racing-green dial. The watch is powered by a solar-powered Caliber E210, offering a 1/5-second flyback function. This model is part of Citizen's Promaster series and is available in a limited quantity. The watch is designed for collectors and enthusiasts interested in vintage-inspired timepieces. The release marks a new addition to Citizen's range of high-precision watches.