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Vulcain Cricket (S2315A cal.120)

swiss2k
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swiss2k WRT Addict

swiss2k

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Hello everyone,  

 

I would like to present to you my latest project, a Vulcain Cricket (yes, another Cricket), model S2315A. I always wanted a Cricket, and it looks to me that Vulcain has made a lot of different variations of dials, watches etc. Cannot really find much info on the one I have. 

 

Initial condition overall: is running, but definitely needs servicing. It has a lot of DNA allover the place. Also, the watch came with its original bracelet (I wonder how that will turn out).

Movement: looks to be a cal.120. Not 100% sure as googling for this caliber brings different results. What do you think? Also had tested it on the timegrapher, results on the picture.

Crystal: needs a new one, as the original is cracked and has oxidation on the tension ring.  

Dial: looks pretty clean.  

Case: gold plating has some ware. Honestly not sure what to do as I have no setup of my own yet. Is it worth sending for replating?  

 

I am a newbie in the trade so any thoughts or suggestions are super welcome!

 

Thank you! 

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Steveod21 New Member

Steveod21

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Definitely Cal.120.....and the later version with incabloc balance bridge.  A nice watch. As to whether it's worth the cost of replating, the value is about 400-500 GBP serviced if sold in the UK 'as is' but could rise to 700-900 GBP depending on how the restoration of the case turns out.  

I've owned and worked on a few crickets and they are lovely little watches.  Recently re-released in a much larger contemporary sized case, they look ungainly to me but of course it's each to his own.

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rehajm Super WRT Addict

rehajm

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My kind of timepiece!! very nice… we’re up to three in our house- the one I wore today, the new one my wife wanted, and one waiting for me go get the nerve to dive in…

Based on your pics it could be tough call on the case if the dial is great. Wait till you get the scuzz of I’d reckon…

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swiss2k WRT Addict

swiss2k

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Day 1. Disassembly or what do we really have. 

Crystal: Definitely needs to be replaced. When measuring I have 30.5-30.6mm, in the Sternkreuz Gezamtkatalog G22 there is only one that might fit is XAG306.697 (not sure how tight it would sit though). Also ho idea how it might look... Is it possible anyone knows the a part number?

Case and dial: Well I seen better dials, but also seen a lot worse. Does it make sense to invest in replanting the case? What do you guys think? 

Movement: Looks clean. But someone had laid his dirty little hands on it. The sprint ring, locker ring, on the alarm hand is damaged. 

msg639303616-45065.jpg

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msg639303616-45068.jpg

msg639303616-45069.jpg

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LittleWatchShop Distinguished Member

LittleWatchShop

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That spring is tough to find and seem to be easy to break.  When servicing: the spring, setting lever, and the unlocking wheel should not be disassembled...just keep together as a unit.  That is my humble view.

You can do gold electroplating yourself, but it is a pretty thin coat...costs under $100.  I have plated a few things. Frankly, I would not try to re-plate yours.

Your dial looks fine--leave it alone.

I have replaced several Cricket crystals but it has been a year.  I cannot recall if I used a Sternkreuz, GS Flexo, or some generic.  Do not use a low-dome crystal.  I seem to remember having an issue with the sweep second hitting the crystal.  Here is a side view of the Cricket I am wearing...OH NO...looks like there is a crack!  I know that I have accidentally whacked this thing a few times--I wear it constantly.

2022-10-19 08_07_38-20221019_080236.jpg ‎- Photos.png

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Neverenoughwatches Distinguished Member

Neverenoughwatches

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On 10/14/2022 at 6:06 PM, swiss2k said:

Day 1. Disassembly or what do we really have. 

Crystal: Definitely needs to be replaced. When measuring I have 30.5-30.6mm, in the Sternkreuz Gezamtkatalog G22 there is only one that might fit is XAG306.697 (not sure how tight it would sit though). Also ho idea how it might look... Is it possible anyone knows the a part number?

Case and dial: Well I seen better dials, but also seen a lot worse. Does it make sense to invest in replanting the case? What do you guys think? 

Movement: Looks clean. But someone had laid his dirty little hands on it. The sprint ring, locker ring, on the alarm hand is damaged. 

msg639303616-45065.jpg

msg639303616-45067.jpg

msg639303616-45068.jpg

msg639303616-45069.jpg

msg639303616-45070.jpg

msg639303616-45066.jpg

Eyup matey thats a nice timepiece that gets a nod from folk in the know. I would leave the dial alone its ok, it looks like a thin coat lacquer that might lift along with some lettering if you try any restoration on it. Good luck with the plating it will be a cracking watch if it restores and polishes up  well.

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swiss2k WRT Addict

swiss2k

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Update. 28 Oct. part 1.

From my last post I was searching for the spring that holds the alarm arm wheel. I did find a replacement. A word of advice, do not ever remove it, literally never. Only if its broken, other wise God forbid. Putting it back is such a pain. 

IMG_1570.jpg

Update. 28 Oct. part 2.

Movement. I am pretty sure everyone has this problem once in a while. When you ask your self if watchmaking is really something you want to spend your time on. 

Well this one really really tasted my patience. I had it assembled and disassembled back and forth 3-4 time. Was not running no matter what I do. Turns out the problem was in the balance wheel, with out its jewels it would rattle allover the place and not take up momentum (others that I worked on didn't behave that way).

 

So, from Rate +73, 167 Amp. and 1.5 Beat Error I have the following (check picture). 

 

Now it runs more or less stable, but some times speed up, some times slows down. Why?

Beat error. I could make it 0, but! if I do the balance speeds up so fast that adjusting to max slow position still doesn't help it. It runs +30-50s per day. What are my options? 

IMG_1571.jpg

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swiss2k WRT Addict

swiss2k

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2 hours ago, LittleWatchShop said:

Where did you find rhe spring so quickly??

I assume that's sarcasm, or maybe not. But I couldn't even find a part number for that thing. So I contacted Vulcain, and ordered a couple from their newer models. Turn out they fit older models.  

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LittleWatchShop Distinguished Member

LittleWatchShop

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2 hours ago, swiss2k said:

I assume that's sarcasm, or maybe not. But I couldn't even find a part number for that thing. So I contacted Vulcain, and ordered a couple from their newer models. Turn out they fit older models.  

No, I was not sarcastic...truly questioning. 

Vulcain appears to be in somewhat of a revival state.  I have a sneaking suspicion that they are still using the Cal 120 platform.

Next question...will they sell parts to anyone??  It would be great if they did.

If I may inquire...what did they charge for the spring.  I bought one in 2021 for 20 Euro.

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swiss2k WRT Addict

swiss2k

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@LittleWatchShop " ... Cal 120 platform" - may be. New movements do look like the old ones. 

"... will they sell parts to anyone??" - yes they do, but from new series. They do not support old ones, I guess I just got lucky with the spring.  

"... 20 Euro." - yeah, that's more or less exactly what I payed. 

 

Any thoughts/advice on the issues I've motioned (with the beat error and balance wheel going fast then slower)? Thnx

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LittleWatchShop Distinguished Member

LittleWatchShop

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14 minutes ago, swiss2k said:

@LittleWatchShop " ... Cal 120 platform" - may be. New movements do look like the old ones. 

"... will they sell parts to anyone??" - yes they do, but from new series. They do not support old ones, I guess I just got lucky with the spring.  

"... 20 Euro." - yeah, that's more or less exactly what I payed. 

 

Any thoughts/advice on the issues I've motioned (with the beat error and balance wheel going fast then slower)? Thnx

Can you post a readout from the timer?

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mikepilk Distinguished Member

mikepilk

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1 hour ago, swiss2k said:

2 problems.

1. When I adjust beat error to 0, rate goes to +50-60 and not adjustment helps. 
2. Amplitude jumps from 250 to 290 back and forth, witch affects rate. Does that on its own. 
 

That doesn't sound right !

How does the hairspring look at the regulator pins? Are the pins correctly spaced, is the spring pushing against one of the pins, is the hairspring vertical (not twisted) at the pins?

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mikepilk Distinguished Member

mikepilk

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Yep, looks fine to me. 

It doesn't make sense that adjusting the beat error 1ms makes such a difference in rate - 1ms is only an angular movement of 2°. 

And the amplitude jumping around so much is odd.

I've had similar odd behaviour, and it turned out to be either a loose hairspring collet, or loose roller or jewel. Unlikely as your balance looks to be in original and excellent condition. But worth a check !

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swiss2k WRT Addict

swiss2k

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What if there is some oil between the forth wheel and the escape wheel, and that oil is just on one side of it, I thought. What if its sticking on one side? 

I took off the escape wheel, the pallet fork and the forth wheel. Cleaned them one more time. Removed any oil that might have been on the pallet forks jewels (leaving the pallet fork unoiled). And assembled it all back. 

Results: Amplitude now is jumping from 300 to 320 (I assume that's because the pallet fork is now snappier)... Meaning I was partially right (about the above mentioned), but the problem still persists, only difference its in a higher range 😃 

 

 

B71A3B3A-0699-45B2-8D96-CB5172468142.jpeg

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