From Victorian Era antiques to quirky mid-century modern pieces, collectors have been known to shell out small fortunes for rare and well-preserved clocks.

Q: We have an old Seth Thomas mantle clock in our family that has been passed down through a number of generations. It was given to my mother by her grandmother, my great-grandmother who was born ...

Q: The enclosed pictures are of a Seth Thomas wind-up clock that I acquired at an auction in Sullivan County, N.Y., back in the 1970s. The glass in the door that opens to the clock face is missing.