Jonathan Haller is a 5th generation Black Forest Clockmaker in Tarrytown, NY. Jonathan's father, George Haller, Jr., was a clockmaker from 1947-1998 in Yonkers, NY. Jonathan Haller's grandfather, George Haller, Sr. came over from Schwenigen in the Black Forest in Germany in 1911 and set the clock up in Yonkers City Hall. Jonathan's great great uncle was Ernest Vonn Baron Haller, one of the founding clockmakers of the Back Forest. We specialize in Clock Repair. We have been proudly serving the Tarrytown, NY area since 1924. Jonathan makes house calls in all of Westchester, the lower part of Connecticut, the Bronx, Brooklyn, Queens, Staten Island, New York City, all of Rockland County, and the upper part of New Jersey.