Many of the world's time landmarks are reliable and accurate because they use Smith of Derby patented movements. Electronic control systems provide power back-up and automatic seasonal time adjustment are available for your clock, and also for existing timepieces. These systems may be retro fitted to existing clocks.

For more information about Movements and Clock Control Systems, please click on the links below to download the PDFs.

Movements and Clock Control Systems PDF 1
Movements and Clock Control systems PDF 2

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