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It is derived from the 2320. Here are some shots from the book compiled by our dear Denes_Papp:
Best, Emmanuel
Caliber 1142
Of all the interpretations of the Lemania 2310 , this particular one, caliber 1142 , is my personal favorite . One thing that's rarely mentioned is that this hand-wound caliber provides an extraordinary tactile sensation when you wind it. The best I've ex...
Thanks for sharing. Wearing mine today!
There are so many different variations on the 2310 and I have always wondered which of these has the finest finishing. After looking at images online it seems to me it’s either the 1142 or Patek’s 27-70. ...
Both are great, no doubt about it.
The Maltese cross column wheel makes a difference for me: I like it better than the capped one of the 27-70. Also, I find the shape of the Y chrono bridge and of the cock for the escapement more refined in the 1142. Best, Emmanuel
The 1142 has been completely built and conceived inhouse based on the Lemania caliber that VC purchased initially. I dare think that the inner angles on the VC are more regular and precise
as the caliber has newly been reengineered and manufactured compared to the Patek 27-70 caliber which was also a reengineered Lemania version but an older one. By looking at multiple pictures of the 27-70 in 5070 and 5970 models, I always have the impress...
is the 27-70 derived from the Lemania 2310? It seems quite different
Here is a Breguet ref. 3237, cal 533 which is derived from the 2310 and looks more like the 1142 than the 27-70 source Monochrome ...
its now the free sprung version(with its advantages) as against the 1141 and don't forget the quality under the dial
and upped the vph from 18000 -2.5hz to 21600-3hz i find on my 5000t with QP it takes 116 thumb and index finger turns of the crown from zero. whats the corne de vache from zero to fully wound? Video: https://youtu.be/yFx8BScywnw?si=sTBt299C7iM13aPu ...
Yes, absolutely, 3Hz instead of 2.5Hz (the Patek 27-70 remained at 2.5 Hz).
And the quality under the dial is well shown in the video: thank you! I think the movement needs 45 turns to be fully wound. And each morning I give it around 10 turns. Best, Emmanuel
Yes, this movement and the whole watch are pure joy!
Thank you, Steve. Best, Emmanuel