
The Omega Speedmaster Calibre 321 Chronograph 38 6mm (ref. 311.50.39.30.01.001) is a manual chronograph watch, with a 38.6mm 18kt canopus gold case, 13.92mm thick, powered by the Omega 321 movement and a 55-hour power reserve. Water resistance is rated to 60m, under a sapphire crystal, with chronograph complications. Manufacturer MSRP is $108,900.