Jaeger-LeCoultre

Hi everyone, a friend of mine recently bought a Bulova from 1958 with a nice movement that reads "6 ADJ. heat cold isochronism" and that made me wonder. Were (some of the) vintage JLC's gifted with any accuracy adjustments? I've already searched this foru...  

Hi, Thomas, Here are some elements of answers. If you remember well the recent discussion about the History under the LeCoultre and Jaeger Lecoultre name, the reason is the same between Adjusted and unadjusted movements: Importation taxes. So, for the US ...  

... were charged an extra 50 cents for each adjustment (plus additional charges for high jewel count movements) under the Smoot-Hawley Taffif Act. Thus a watch with 6 adjustments would be taxes an extra $3. This was a considerable sum in the 1930s (when t...  

This message has been edited by amanico on 2010-08-30 12:06:22

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Not that it makes any difference to whether they adjusted them or not....

I'm far from being a watch maker, but my guess is that is also impossible to tell from the real movements, when you have them in your hands, no? Best, Nicolas

If all JLC's were adjusted, to which amount of positions would they be adjusted then? Five, six?  After reading several references to Zaf Basha's book, I'm really considering buying one... Are there other significant books on vintage JLC's? Best, Thomas

Adjusted 4 or 5 positions, that is what I personally observed, Thomas. But I didn't make a compilation of adjusted movements, so I can't say if there are movements which are adjusted more than 5 times. As for Vintage JLC Books, I know that Zaf is working ...