Seiko and the origins of the automatic chronograph

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bobbee (Online)
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Seiko and the origins of the automatic chronograph

Post by bobbee » November 18th 2019, 5:19am ... raph-1969/
Three automatic chronograph watches were released in 1969. Without a doubt, the one with the most lasting impact was the Seiko Caliber 6139. The combination of the compact automatic winding mechanism with a vertical clutch for more precise stopwatch measurement and a column wheel, which became widespread among high-end chronograph watches, is still favored by many watchmakers today.

No talk of 1969 would be complete without mentioning the Caliber 6139. This revolutionary movement had a fascinating background and a lasting influence.
"O' cruel fate, to be thusly boned! Ask not for whom the bone bones, it bones for thee." ~ Bender Bending Rodriguez

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