When looking for the best grandfather clock, it’s important to consider the type of movement and chimes. There are two main types of movements: quartz and mechanical. Quartz movements are ...

Grand Seiko, for example, has an exceptional quartz movement known as the Caliber 9F. Citizen has the light-powered Caliber 0100, which the company says is accurate to within one second a year.

Before this modern era of quartz and atomic accuracy, though, timepieces were mechanical. Clocks were driven by ... It wasn’t until the mainspring-driven movement came along that timekeeping ...