A. Lange & Söhne

Good morning, i've a little question about Lange movement L951.0 and L951.1... I know that Lange L951.0 it's the version without big date, used in the old 1815 chrono, but it's also a little evolution of Lange 951.1? I've read a review that explain some d... 

I would answer you as follows: - first of all, as you can see it with its number, the creation process of the chronograph caliber, the L951, started in 1995. - L951.1 was the Datograph caliber and then the date was removed to create L951.0 used by the 181...  

As everybody knows it, the new 1815 Chronograph has a larger power reserve (60 hours vs 36 hours). The changes are here bigger: different balance wheel, in-house spiral, different mainspring, slight change of the lay-out. Despite these changes, It is stil...  

Thank you very much Xavier for your reply, i've found this on PuristPro... "The Caliber L951.0 is, as said before, based on the calibre L951.1 used in the Datograph, but without the date. It is based on it, however it is not identical to it. As always, La... 

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