kup si kvalitny tichy strojcek ,ani nahodou tie europske alebo usa sracky ale kvalitnu čínu...ja hodiny vyrabam vo velkom a dobre aj tiche su napr tieto: https://www.aliexpress.com/item/1pc-13mm-Silent-Cl ock-Quartz-Movement-Mechanism-White-Hand-DIY-Repla cement-Part-Repair-Kit-Tool-Set/32637936427.html?s pm=2114.13010608.0.0.Q4RLfb