halgedahl
1333
Well, you are WAY ahead of me, Skye. You'll be happy to see what I'll be able to put up as an addendum later today as I'm just completing a back 'n forth with Richard
Jul 17, 2019,06:36 AM
to make sure that I understand this whole business 100%. (As you seem to, already!) More later, then… Fred
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The Word From Habring—Repost w/diagrams...
By: halgedahl : July 16th, 2019-08:52
Hello fellow Purists! (And would some kind moderator please take down the original post? Thanks!) Last week I posted some feelings about the movement of the chrono minute hand—specifically my preference for the semi-instantaneous "jump" or some, rather th...
Thank you for such an insightful post,
By: skyeriding : July 17th, 2019-02:44
Its easy to take for granted the features on the watch. Eg "why can't I just have a 60m subdial counter?". It makes sense when you start putting yourself in the watchmaker's shoes, and start imagining the designs for yourself - which in this case, the tho...
Several Lemania movements have continuous chronograph minutes.
By: rdenney : July 17th, 2019-08:39
Particularly, in my experience, the 1340 and it’s derivatives. For example, the Ebel version with three subdials—their caliber 137—used an indirectly driven minutes counter with continuous motion. Their caliber 139 provides a central minutes counter. But ...
Here’s a picture
By: rdenney : July 18th, 2019-06:13
Of the Ebel 1911 BTR, caliber 139, with continuous central minutes. The minutes counter uses a three-pointed hand moving over a 120-degree dial scale. —Rick ...
Thanks for sharing Rick,
By: skyeriding : July 19th, 2019-08:35
You're correct that there is no distinct mechanical "clutch" (such as a horizontal or vertical clutch), but instead I believe these work via a direct friction coupling (as a "crude" clutch, in a way), something like this in the following image of a Lemani...
I could not agree more
By: NT931 : July 19th, 2019-08:48
The detailed technical discussions aside, what shines thru for me is Richard Habring’s generosity of time and spirit in answering this question. I have a Habring Erwin, and have communicated with Maria before, and the couple’s kindness and friendliness is...