A. Lange & Söhne 31 days power reserve ...

Original designs from traditional watchmakers
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miki360
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A. Lange & Söhne 31 days power reserve ...

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Some engineering watch porn from A. Lange & Söhne ,key wind 31 days power reserve.Also notice how minute hand jumps...https://www.youtube.com/watch?v=4QrHOHUJoWQ
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bmsm
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Re: A. Lange & Söhne 31 days power reserve ...

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True, that is porn
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nje2791
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Re: A. Lange & Söhne 31 days power reserve ...

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Wow, a 4 metre watch spring. Amazing engineering solution to the power delivery. Thanks for sharing.
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Thrasher
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Re: A. Lange & Söhne 31 days power reserve ...

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Amazing 13 foot mainspring
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Tanukjaju
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Re: A. Lange & Söhne 31 days power reserve ...

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nje2791 wrote: June 4th, 2020, 8:40 am Wow, a 4 metre watch spring. Amazing engineering solution to the power delivery. Thanks for sharing.
Imagine the poor apprentice watchmaker who has to uncoil, clean oil and recoil them.
:shifty:

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tafari
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Re: A. Lange & Söhne 31 days power reserve ...

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a master piece, just amazing
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