John Arnold was an English watchmaker and inventor. John Arnold was the first to design a watch that was both practical and accurate, and also brought the term "Chronometer" into use in its modern sense, meaning a precision timekeeper.
John Arnold was an English watchmaker and inventor. John Arnold was the first to design a watch that was both practical and accurate, and also brought the term "Chronometer" into use in its modern sense, meaning a precision timekeeper.
