Up for grabs is a rare Kelbert chronograph, circa 1950s, with black glossy gilt dial and unique mushroom pushers, used by only a handful of brands during this era. This watch, housed in a screwback steel case, is powered by a Valjoux 23 movement. This Kelbert chronograph is in great condition. The case is unpolished. The dial is still very glossy, with only light blemishes visible under a loupe, consistent with the aging of glossy dials.