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Discussion Starter #1
I came across this 8 days wrist watch and am planning to buy it for $250. After some research on the net, 8 day wrist watches were also made, besides pocket watches. The diameter is 3.8" hence it doesn't seem to be like a converted pocket watch. It works perfectly & the dial is flawless but with a mild patina on the dial.
Kindly give me some inputs whether I should buy it or not.
Thanks
Aashdin

8Days.jpg
 

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.
The price is reasonable for such a great looking watch, even though it is possibly not in it's original case.
I should get it cleaned and oiled though, that regulator is hard over to keep up speed.
 

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Discussion Starter #3
The seller said that he will completely service the watch before I buy it.
 

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Looks like the bezel is missing, or something. Unless, as said above, it's not the original case.
 

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Discussion Starter #7
I've checked the movement & seems ok to me. The bezel is not missing. Many old trench watches have similar cases & I have over 50 of them West%20End%20Queen%20Anne%201.jpg .
Here's my West End.

P.S. I've worn the watch for a week, on trial (the watchmaker is my friend) & is keeping time to the minute. Although the winding runs out on the 5th day. But I guess that's ok for a watch that's over 80 years old
 

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I dont' buy vintage watches without movement pics. Just a thing.
This is about as much of the movement as you will see on one of these without dissassembly. I expect the entire back to be covered by the spring barrel

Looks like the bezel is missing, or something. Unless, as said above, it's not the original case.
The bezel is very much there but looks like the crystal is missing. The crystal would extend to the extreme limits (to where the dirt is). The surface you see is inside, sloping down from the crystal to the dial.

EDIT: OP beat me to it :)
 

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So the watch is short 3 days? Sorry but that would be like a 48 hr reserve running only 30 hours. That is unacceptable in a vintage watch that is serviced. There are 2 possibilities. 1) The watch was never serviced or 2) When servicing they replaced the mainspring with a shorter weaker one. Otherwise they never replaced the mainspring and it is old and not as elastic. This could also be the cause of the regulator being hard over to fast. Not enough power through the train to keep the momentum of the balance as it should be.

It is up to you but I would request a new mainspring be installed before purchase. If they did a service then this should have been part of it and if they tested it for running time they should know it and have done it.
 

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The watch is a 'Hebdomas' 8 day pocket watch converted to a wristwatch.
Without any doubt.
No shock protection, pin set, incorrect crown and 'something' incorrect about the front bezel, probably damaged and modified when the lugs were soldered on.

whatever, it is a converted pocket watch without doubt.
The fact it does not run for 7 days (definition of Hebdomas) means it has an incorrect mainspring
Adam

Definition of HEBDOMAS:
Etymology
From Ancient Greek ἑβδομάς (hebdomás) (genitive ἑβδομάδος).
Pronunciation: /ˈheb.do.mas/Noun


  1. the number seven
  2. a week; seven days
  3. the seventh day
Usage notes[edit]
 

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Sorry...I thought it was said it was serviced. My mistake.

If they do a clean and replace the mainspring...heck it is a fun watch. Original case or not. The service and mainspring alone are worth a large chunk of that price. If you are happy with the watch, and I agree that it is a conversion, in the current configuration buy it and enjoy it. Not all the watches in a collection have to be 100% as made and perfect. You should have a few fun ones you wear just because you like it not because you are worried you will be judged a lesser collector for having it. I love my vintage but I have my key wind key set wristwatch project that I am working on just for the fun of it.
 

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The watch is a 'Hebdomas' 8 day pocket watch converted to a wristwatch.
Without any doubt.
No shock protection, pin set, incorrect crown and 'something' incorrect about the front bezel, probably damaged and modified when the lugs were soldered on.

whatever, it is a converted pocket watch without doubt.
The fact it does not run for 7 days (definition of Hebdomas) means it has an incorrect mainspring
Adam

Definition of HEBDOMAS:
Etymology
From Ancient Greek ἑβδομάς (hebdomás) (genitive ἑβδομάδος).
Pronunciation: /ˈheb.do.mas/Noun


  1. the number seven
  2. a week; seven days
  3. the seventh day
Usage notes[edit]
I'd say that it's a Hebdomas wristwatch ok, look at the orientation of the dial.
No way is that watch 3.8" in diameter unless it is being worn by a gorilla, 38mm I'd say.
 

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Radger
Agreed that dial has been orientated correctly.
But this watch in my opinion started life as a Hebdomas pocket watch movement, and has been fitted into a 'wristwatch' similar to 'Lepine' movements as we see with offset crowns on wristwatches.

I do not believe I ever saw an 'original wristwatch' that was pin set?

I also own a Hebdomas(still a pocket watch) where my mentor Mme Cinette Robert had bought some 7 or 8 vintage movements, then added a dial with day, date, moonphase (never was on original) and a custom case.

Adam
But the movement was a pocket watch
 

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Radger
Agreed that dial has been orientated correctly.
But this watch in my opinion started life as a Hebdomas pocket watch movement, and has been fitted into a 'wristwatch' similar to 'Lepine' movements as we see with offset crowns on wristwatches.
It could be from a full hunter right enough, if it's 2" diameter then I agree with you.


I do not believe I ever saw an 'original wristwatch' that was pin set?
Ah well, you know I had my suspicions over the originality of your 1909 pinset I.W.C wristwatch,
but not because it was pinset though.
 

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It could be from a full hunter right enough, if it's 2" diameter then I agree with you.




Ah well, you know I had my suspicions over the originality of your 1909 pinset I.W.C wristwatch,
but not because it was pinset though.
That is because it is an early 'Borgel' case, where the winding stem can not be directly attached to the movement, nothing to do with the caliber of the movement.
There are 'negative set' Borgel cases, but I think rare in Swiss movements.

You seem more intent on questioning my pieces and the IWC archives who 100% confirmed the originality of my piece, than anything else.
 

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'Hebdomas' was a brand name. This is an 8 day watch after the pattern popularized by Hebdomas.

I do not think this has been recased. How easy would it be to find a wristwatch case that fits? Diameter, stem height, setting pin height and location... too many issues. If lugs have been added to the original pocket watch case where is the hunter lid?

Kind regards

Aditya
 
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