Thank you very much for the reply. I've just had the cal. 469 watch serviced but the amplitude (fully wound) is only 210 degrees horizontal face up (165 degrees crown down) and there is a beat error of 2.5ms. The watch is from the late 1940s but I was expecting a better performance. The watchmaker t...

I would be grateful if someone could tell me the lift angle for a JLC cal.469

Many thanks,

COYI

Hi,

I'd be grateful if someone could tell me the lift angle for a JLC cal.469.

Thanks,

COYI