Oris watch prodiver chronograph set 01 774 7727 7154 set rs mb boasting the hallmarks of a device that has been designed to both look and function like a real world diving tool the new oris prodiver chronograph watch continues to reinforce its remarkable presence in the watch world fortified within the robust but lightweight 51mm titanium case that is water resistant to 1000 metres is the oris 774 calibre automatic movement with chronograph function a screw in security crown and an automa