>The easiest way to realise this is to imagine a clock without the minute hand. No need to imagine it, it's been invented many years ago and it's called a peri

>The easiest way to realise this is to imagine a clock without the minute hand. No need to imagine it, it's been invented many years ago and it's called a perigraph. Meistersinger makes one of the nicest I've seen: https://www.relogios.pt/meistersinger-perigraph-relogio-automatico-suico-com-um-so-ponteiro-e-data-bm1108.htm https://www.relogios.pt/meistersinger-perigraph-relogio-auto...