How do you identify a rev. 2 of Calibre 400 - no jumping minute hand?
Can't recall which youtube review I saw recently, but it referenced a revision 2 by Oris to address the jumping of the minute hand when pulling or locking the crown. I think it is usually referenced on the Aquis line.
Is there any markings on the back of the watch? Is Oris going to implement the correction to current 400 owners?
Can someone post a picture if you are a new owner of an Oris with the revision?
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Peter Chan
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San Ramon
Member since
Last active: 3 days ago
6.63” / 16.84 cm
The last time I dropped by my local Oris AD (probably 3-4 months ago), I was told that the issue with the caliber 400 had been resolved, but when I tried setting the time, it was obvious that the problem still existed. I'm not sure if this was supposed to have been a "Rev 2" caliber, but it definitely had the same issue as the earlier ones. I would strongly suggest that you should try setting the watch yourself several times even if it supposedly has the "fixed" caliber to make sure that it really isn't an issue. I like setting my watches exactly to an atomic time reference, and given the inconsistency with how the hands jump, it's pretty much impossible to do so.
The movement is marked 400-2 on the newer version - best picture I could find was this from “xdigitus” on Reddit
@danmitch Thanks Daniel. That clears up a lot and puts that to rest.