Dating seiko chronograph a0

Rieussec was considered the inventor of the chronograph until the Louis Moinet pocket chronograph discovery in 2013 when history was rewritten.

In 1969, the watch companies Heuer, Breitling, Hamilton, and movement specialist Dubois Dépraz, developed the first automatic chronograph in partnership.For example, one of the first applications of the chronograph was to record the time elapsed during horse races.Some more important uses of the chronograph include the Langley Chronograph, which is used by the US Navy to record, calculate, and analyse data given off by aeroplane launching catapults.The terms are not mutually exclusive either, for instance the Omega Seamaster 300M Chronograph GMT Co-Axial is also a COSC certified chronometer Originally the term chronograph was mainly used in connection with artillery and the velocity of missiles.The Chronograph's main function is to allow a comparison of observation between a time base and, before the electronic stopwatch was invented, a permanent recording of the observer's findings.

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