
In a captivating post, mj23 shares an exquisite close-up of the free-sprung balance on his A. Lange & Söhne Datograph Up/Down. This detailed view invites enthusiasts to appreciate the intricate mechanics that define high horology. mj23's contribution highlights the beauty and technical prowess hidden within one of Lange's most iconic chronographs, sparking a discussion on its unique features.

(But to be boring accurate, with a regulator it is not free sprung)
It’s rare to see a free sprung balance spring with weight-adjustment AND a swan neck regulator. Is the swan neck regulator just for show (and what a show this one carries out😍😍😍), or does it add to the isochronism and accuracy?
Here's a good write up about it, www.watchprosite.com musingsofawatchaddict.wordpress.com
And I have learned something new today. (Now I know something I bet the majority of my colleagues do not know). Thanks a lot for enlightening me.
Good to see you here too
That's an excellent close-up shot
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