Interesting "automatic wind" on a 40ies vintage

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Interesting "automatic wind" on a 40ies vintage

Postby gerdson » March 18th 2017, 1:38am

Hi,
one of the watchmakers on forum.watchtime.ch just posted these two interesting pictures of an automatic wind mechanism through a lever mechanism in the lugs:

Image
Image

https://www.watchtime.ch/forum/viewtopic.php?f=6&t=67282

You can see the lower lugs are mounted on a hinge, pulled tight by a spring, and there is a small T-shaped "puller" on the movement, that is being operated by the lugs. I guess it requires the strap to be sitting rather tight, and then movements of the wrist will actuate the lever/lugs a bit.

The owner states it worked quite well in the past couple of centuries.
Ardnut since 1989

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Re: Interesting "automatic wind" on a 40ies vintage

Postby jason_recliner » March 18th 2017, 1:44am

Bizarre. It's hard to imagine that would be very efficient. The variety of ingenious contraptions watch makers experimented with before settling on the weighted rotor for automatic winding is fascinating.
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Re: Interesting "automatic wind" on a 40ies vintage

Postby MKTheVintageBloke » March 18th 2017, 4:24am

Haven't seen this one before- but I think it's more likely to be a 1930s than 1940s piece. The period stretching from the early 1940s until the late 1950s was pretty much the heyday of the bumper automatic. Here, the hinged case and the most odd winding system almost scream early to mid 1930s, when some manufacturers experimented with more or less (usually less) useful automatic winding systems- Bulova, Glycine...
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Re: Interesting "automatic wind" on a 40ies vintage

Postby bobbee » March 18th 2017, 9:41am

That's a rarity!
Originally filed (Priority Date) by Jacques Farret in 1930, this watch is known as the "Autorist", and was marketed (and some "experts" think invented by) Harwood.

https://worldwide.espacenet.com/publica ... 3976A&KC=A





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Here is an interesting thread about self-winding wrist watch patents. ;)

http://forums.watchuseek.com/f11/self-w ... 17074.html



EDIT- Here is a 1931 advert for the Vogt (Fortis) company Autorist.



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Re: Interesting "automatic wind" on a 40ies vintage

Postby gerdson » March 18th 2017, 10:51am

Wow. :6rdtf:

I have allowed myself to post this information over at forum.watchtime.ch (by full citation).
Ardnut since 1989

In twenty years or so, the German language will be one, massively long compound word.
-- conjurer


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