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METRON Clocks Fabryka Zegarów Sp. z o.o. is Poland's only manufacturer of classic clock mechanisms for home clocks. We offer You the following mechanisms:
Z-53; Z-55; Z-58 - spring (mechanic gong) Distance between the axle of mechanism (shaft) and center of lens: ~ 225 mm or ~ 315 mm Z-54; Z-57 - chain (membrane or rod gong, mounted separately) Distance between the axle of mechanism (shaft) and the center of lens: ~ 315 mm (Z-54) ~ 970 mm (Z-57) Z-40 - spring with balance attachment (rod gong) Z-51 - spring (rod gong - mounted separately) accuracy of clock : ± 20 s/d strike error: ± 30 s/d weight: ~ 1 kg capacity of mechanism's propulsion: 7 days 
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