Using 31 day movement dials to create sensational as well as distinct wrist watches is something many people don't even understand is possible, let alone something any individual might do fairly easily. The 31 day dials have the typical twelve (normally Roman) characters indicating hrs, but additionally the (Arabic) numbers from 1 to 31 are distributed evenly around the circumference. In this write-up we see just how remarkable such clocks can truly be. replacement parts for clocks