The Citizen Eco-drive Chronograph Racing line of watches is a great option for those looking for a high-performance timepiece. With features like an Eco-drive battery and chronograph function, this watch is one of the most accurate models on the market. With accurate timekeeping and performance across extremes in temperature, these watches are suitable for just about any occasion. Chronograph Function The Citizen Eco-drive Chronograph Racing CA0270-59E Men's Watch features a chronograph function for the most precise performance when timing laps or sports events. This function is not available on most watches in this price range, making it an amazing value at this price point.