This is true unless you look at something like a Seiko Spring Drive, which has a completely smooth second hand sweep, although it’s not entirely mechanical (and

This is true unless you look at something like a Seiko Spring Drive, which has a completely smooth second hand sweep, although it’s not entirely mechanical (and maybe only watch nerds care about this) https://www.hodinkee.com/articles/does-spring-drive-have-an-escapement https://www.hodinkee.com/articles/does-spring-drive-have-an-...