Another one-off Roller, another unique clock/watch, this time from another of Switzerland’s very finest, Vacheron Constantin. The Amethyst is the second of four Droptails that RR will build ...

We’re no strangers to unusual clocks here at Hackaday, and some of our favorites make time a little more tangible like [Kyle Rankin]’s knitting clock. Inspired by our coverage of [Siren Elise ...