Close-Up: The Moritz Grossmann Hamatic, the First Automatic Timepiece from the German Brand
Moritz Grossmann makes less than 500 watches each year. Until now, the German brand had only offered hand-wound timepieces in its various collection. That has changed with the official introduction of the Hamatic, Moritz Grossmann’s first foray into the world of automatic timekeeping.
Introduced as a prototype in 2018 after nearly three years of development, the Hamatic features a brand-new, in-house produced movement named Caliber 106.0 that utilizes a unique, self-winding hammer system similar in execution to Abraham-Louis Bregeut’s perpétuelle pocketwatches. The newly developed movement uses a pendulum-style hammer weight to transmit energy through a consistent back-and-forth movement similar in motion to a seesaw.
The Moritz Grossmann Hamatic. The design of the hammer system, which is visible through the sapphire crystal exhibition caseback, is large, oval shaped, and takes up almost the entirety of Caliber 106.0’s total diameter. This means that the movement’s center of mass is further away from its rotational axis when compared to a traditional rotor that rotates along a central axis. The result of this is an increased level of torque which provides a more consistent transfer of energy ? even the smallest degree of motion helps wind the mainspring. Regardless of if the hammer is swinging to the left or right, the interplay of the openworked hammer body together with the head and spring transmits energy via a sapphire roller to the mainspri...
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A Week in Watches Ep. 79 – Swiss Leftovers
29-04-2024 05:06 - (
Luxury Watch )