Sevenfriday watch industrial s301 paying homage to industrial engines the sevenfriday watches s301 strips down the watch mechanism to its chassis the sevenfriday s301 lifts the hood on the sophisticated construct of engineering and design with the hood lifted the connection between the engine and the chassis is revealed the engine mount also known as the silent block the epdm animation ring and crown protector serves the encasement well with power from the engine movement transferred s