Famous watchmakers

Aaron L. Dennison

1812 - 1895

Aaron L. Dennison

American clockmaker.

Established in the USA then in England.

Key dates

Around 1840

Industrialisation of watchmaking: development of a system called "American System of Watch Manufacturing" (interchangeability system).


Establishment, with Edward Howard and Samuel Curtis, of the future Waltham Watch Company (established at Waltham - USA, in 1954): first watchmaking factory to produce perfectly interchangeable parts of movements. It met with success creating competitively priced watches.

Founder of a watch case factory in Birmingham (GB).