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| Joined: | Wed Mar 19th, 2008 |
| Location: | Richmond, Canada |
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It is actually a 21 Jewel pin-lever watch.
For those who are Horologically Literate:
The Roskopf Movement, named after Georges Frederic Roskopf (1813-1889).
His intention was to build a quality watch that was affordable to the working men.
Technical Specifications of Pin-Lever for those too young to remember:
A Pin-Lever or Pin-Pallet Escapement, is a lever escapement that is used in mechanical watches,which uses metal pins on the pallet of the lever,rather than the more expensive jewels.
The pallet is the part of the lever that engages the escape wheel,which in turn transfers the stored energy in the mainspring to the balance wheel.
Jewelled pallets can be made much smooter than metal pallets and therefore lose lot less energy due to friction. In short, watches with metal pallets wore out faster.
Timex 21 Jewel Movement:
For those of us who are old enough to remember Jim MacKay's from ABC Sports- commentator of the late 1960's - mid 1970's. He used to promote Timex Watches. Slogan:
"Timex takes a licking and keeps on ticking."
Yes, my friends at 3T those beloved Timex that once adorned your wrists were in fact, Pin Lever Watches. These were rugged watches that were inexpensive, a good example:
Pick up a copy of Life Magazine from 1964 - 1966 with photos taken by the late
English Photographer Larry Burrows. There you will find Vietnam Vets wearing Timex. From 1968 - 1975 most Vietnam Vets had switched to Seiko, because
their Military Issue Hamiltons were either lost or damaged.
The demise of Pin-Lever Movements is that they wore out faster than their manual wind and automatic counterparts and inaccuracy because to maintain a constant rate was often difficult.
By 1980 The Quartz Revolution had dominated the market and put an end to all
low-end watch movements.
In the event of inaccuracies about this post, please feel free to contribute.
Simon
Last edited on Mon Mar 24th, 2008 05:31 am by Simon_Leung