
The Omega Speedmaster Calibre 321 (ref. 311.93.42.30.99.001) is a manual chronograph watch, with a 42mm 950 platinum case, 13.39mm thick, powered by the Omega 321 movement and a 55-hour power reserve. Water resistance is rated to 50m, under a sapphire crystal, with chronograph complications. Manufacturer MSRP is $77,900.