casting clock
date of manufacture constructed onto an object by parts of a mold or die adjustable to be accurate as time passes
en-GB/ˈkɑːstɪŋ ˈklɒk/
en-US/ˈkæstɪŋ ˈklɑk/
date of manufacture constructed onto an object by parts of a mold or die adjustable to be accurate as time passes