canonken
73
Great info, thanks!
This is the non-obvious stuff that makes it fascinating to hang out on forums like this rather than just buying an expensive pretty and not having a clue how it works.
Rotor in my new Master Control Automatic, questions:
Well, day 4 and still love the watch. There was never a honeymoon as I knew what to expect, I am just enjoying the ownership of it. The only other mechanical I own is a Archimede Pilot (can you say significant upgrade! - well, the Archimede is not going a...
The spinning of the rotor is normal, as in the ...
... autotractor movements as the cal. 899 the rotor winds the spring in one direction only. Thus the rotor is free to spin in the other. Enjoy your watch! Christian
My point was both directions are amazingly smooth...
...there is so little friction in the system compared to my ETA 2824-2. Why do some companies do uni-direction winding vs. bi-directional?
Just wanna share a photo...
I'll leave the technical explanation to pros around here Congrats on your watch anyway Regards...
Well, JLC used bi-directional winding in their ...
... automatic watches of the master series until they came up with the autotractor movements. It is said that they carried out some reseach on the efficiency of uni-directional vs. bi-directional winding. JAW has covered the autotractor in a very nice wri...
Great info, thanks!
This is the non-obvious stuff that makes it fascinating to hang out on forums like this rather than just buying an expensive pretty and not having a clue how it works.
You got a great simple watch
Hi, You got a great simple watch. Its calibre has been in use in many very upscale watches, from Audemars Piguet and Vacheron Constantin for instance. Here is a review of the same base calibre in a VC Overseas: www.thepurists.net l Yours is even better as...