Early balance spring watch by Thomas Tompion, 1675-1679

Balance spring pocket watch in silver case, 1675-1679.
This exquisite watch by the master maker Thomas Tompion shows an early example of the balance spring mechanism. This greatly improved the accuracy of timekeeping. The skills of craftsmen such as Tompion and his assistant George Graham made English watches famous.
Currently on display in:
Measuring Time
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