Time was when authors could make money from sidelines such as public speaking; Mark Twain pulled himself out of bankruptcy by going on the lecture circuit.

It turns out, however, that there are 365.24219 days in an astronomical "tropical" year-defined as the time it takes the sun, as seen from Earth, to make one complete circuit of the sky.

These images are only renderings for the time being, but expect Hublot to roll out a lot more news about their La Clé Du Temps Watch at the trade circuit this year.