Cased in luxurious canopus gold, this Omega Speedmaster Calibre 321 features a fixed canopus gold bezel and an elegant black dial accented by silver-tone hour and minute hands along with index hour markers. Minute markers circle the outer rim enhancing legibility. Equipped with a powerful chronograph function driven by the Swiss-made Omega hand-wind Calibre 321 movement boasting a 55-hour power reserve; it includes three sub-dials indicating elapsed seconds, minutes, and hours respectively. Scratch-resistant sapphire crystal protects the black dial from below while a transparent case back offers visibility into the mechanism. Designed with its classic round shape measuring 38.6 mm in diameter and 13.9 mm thick, this timepiece is paired with a 19-mm wide canopus gold bracelet secured by a foldover clasp for easy adjustment. Water resistance reaches depths of up to 200 feet (60 meters). Essential functions include analog hour, minute, second, and chronograph timing capabilities.