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Jay Blades investigates three items restored by horologist Steve Fletcher that demonstrate how the invention of clockwork continues to influence our lives to this day.

First up is the oldest item ever booked into the Repair Shop: a clock dating from the 17th century and now owned by Frank Black from Glasgow. Jay uses archive footage to tell the story of how clockwork was invented.

He also revisits a toy car owned by Rev Mike Kinna, and finds out how clockwork mechanisms were first used in toys and continue to be to this day.

Finally, retired electrician Bob Arrowsmith from Peterborough brought in a clocking on machine, used by workers to record when they started and finished work. Jay shows how time recorders were part of a revolution in timekeeping. Until the mid-19th century, different towns used different times, but the advent of industry and the need for co-ordinated timekeeping heralded the adoption of Greenwich Mean Time.