The Clockmakers’ Museum at Guildhall in the City of London is the oldest collection specifically of clocks and watches in the world.
Entry is free and the collection is considered to be one of the finest.
It contains some 600 watches, 30 clocks and 15 marine timekeepers, together with a number of rare horological portraits.
The majority of items in the collection range from 1600 until around 1850.
However the most important group within the collection are the marine timekeepers, illustrating the importance of the clock makers art in the science of navigation around the world.
The clock that may have changed the world is included and is the celebrated 5th marine timekeeper made by John Harrison and completed in 1770.
Harrison’s skills, dedication and determination he eventually solved the longitude problem as he took on the scientific and academic establishment of his time winning the longitude prize worth today around £2.66 million.