Catalogue

Horology

Watches, clocks, chronometers and the mechanisms that drive them.

Records (4)

pocket watches

1857–1880s

Key-wound, key-set 18-size full plate pocket watch movement, the first Waltham model produced in quantity with interchangeable parts.

wristwatches

1957 onwards

Manual-winding chronograph wristwatch line introduced in 1957, later associated with NASA crewed spaceflight.

escapements

19th century to present

The detached lever escapement in its Swiss club-tooth form, the dominant escapement in mechanical watches since the late nineteenth century.

escapements

c. 13th century to 19th century

The earliest mechanical clock and watch escapement, using a crown wheel and a verge staff carrying two pallets.