The National Watch & Clock Museum collection is international in scope and covers a wide variety of clocks, watches, tools, and other horological items.

The largest collection is of nineteenth-century American clocks and watches; however, additional collections include early tall case clocks, Asian timepieces, and timekeeping devices from Germany, France, the Netherlands, and Russia. Chronologically, the exhibits take you on a tour through the entire history of timekeeping technology from early non-mechanical devices to today's quartz watches, atomic and radio-controlled clocks.