With the One Hertz model, Dutch watchmaker brothers Tim and Bart GrönefeldAfter working for years in the service of some of the most prestigious manufacturers, they created an innovative wristwatch with deadbeat seconds, founding their own independent brand.
In a mechanical watch with deadbeat seconds, the seconds hand advances in one-second steps, at a frequency of 1 Hz. The novelty of the mechanism developed by Tim and Bart Grönefeld lies in the fact that the deadbeat seconds wheel is powered by an additional barrel, which provides the energy required to compensate for the friction introduced by this complication in the movement. The two barrels are wound simultaneously through the crown of the watch, which is equipped with a system that allows the user to select the 'winding' or 'reset to time' functions by means of a simple pressure. The heart of this timepiece is the calibre G-02, a hand-wound mechanical movement operating at 21,600 vibrations per hour and also displaying a 60-hour power reserve The One Hertz is produced in a limited edition of 12 in steel.
