Vorlage:Watch of the week 25

DEWITT Academia Tourbillon Force Constante à Chaîne DeWitt has enhanced its legendary constant force tourbillon with a system that relays energy to its associated power reserve indicator. Rotating the crown when winding the barrel-spring drives a miniature chain, which uses an intermediate wheel to activate the power reserve indicator sliding on a worm screw. Three years after developing an ... >>> more >>>