Embrace the spirit of aviation with the Citizen Promaster Sky Eco-Drive Chronograph CA4664-60X. This robust 40mm pilot-inspired watch features a distinctive copper dial with high-contrast black subdials, encased in durable silver-tone stainless steel. Powered by Citizen's sustainable Eco-Drive technology, it charges with any light source. Equipped with a precise 60-minute chronograph, date function, and 100-meter water resistance, this timepiece is a reliable and stylish companion for the modern explorer.