Moritz Grossmann
BENU Heritage HAMATIC White Gold
MG-002996
The HAMATIC brings the dream of perpetual motion closer to reality. While not a true perpetual motion machine, the watch uses kinetic energy from the wearer’s movement to power its mechanism. A pendulum-style hammer weight transfers energy via a ratchet wheel to the mainspring, ensuring the watch remains wound without external power sources. This ingenious system offers a unique take on the concept of infinite motion, making it a true marvel of horological engineering.
THB2,548,000
The bidirectional automatic hammer mechanism guarantees high energy efficiency with consistent winding power. This results in a highly precise and reliable movement. A power reserve of 72 hours is available when fully wound.
The hammer’s centre of mass is further away from its rotational axis than with a central rotor. This results in a high torque, which in turn caters for powerful winding. Thanks to the special ratchet mechanism, hammer movements from just five degrees can be used to wind the mainspring.
Once upon a time, most people moved around on horseback or by foot. Both riding and walking mean that the person is subjected to a constant upward and downward movement. The engineers behind the world’s first automatic watches in the 19th century exploited this fact by using a pendulum in the shape of a hammer with a heavy head to harness all of the kinetic energy generated through movement.
The engineers at Grossmann deliberately returned to the traditional concept in order to keep the fascinating mechanics of the Grossmann movement visible. In the form of an elaborate, intricately finished frame that is open in the middle, the body of the hammer provides a stage for the hammer spring and striking gold hammer head. The calibre 106.0 complete with its hammer-style pendulum system can thus be seen at work through the sapphire crystal display back.
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