. Oris released its ‘Big Crown ProPilot’ range as part of the ‘Aviation’ collection at Basel in 2014, it’s developed with professional pilots and inspired by cockpit watches from the 1930s. Manufactured in Switzerland with an in-house Oris 751 automatic movement, this ‘Big Date’ version is built from polished stainless steel and has Super-LumiNova® coating for reliable visibility. The bezel and crown are grooved to resemble the blades of a turbine aircraft engine. We offer a two-year warranty for all working parts and manufacturing faults for luxury watches. For more information, contact one of our experts by emailing firstname.lastname@example.org "