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marcoskaiser

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About marcoskaiser

  • Rank
    Watch Enthusiast

Profile Information

  • Gender
    Male
  • Location
    Brazil
  • Interests
    Tool making, Musical instrument making, model making, vintage watches

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  1. The Hammer spring is also different. But seems interchangeable. Sent from my iPhone using Tapatalk
  2. This is the rocking bar ( if you use the ebauches terminology-not the esembl-ograf).I came across both systems as well. Not interchangeable, I think. Other discrepancy I noticed is on the minute recording jumper base. Perhaps a more experienced watchmaker could help us here. I googled the venus 170 history and could not find a definite list of variations. Sent from my iPhone using Tapatalk
  3. Thank you for the help. I will definitely get a spare acrylic as a plan B. As for the glass, 0.80mm, without flat bottom. We shall see. Hope not to ruin the thing. Sent from my iPhone using Tapatalk
  4. Can I also replace a 9.5 barrel diameter spring for a 9.0 without compromising? Barrel is 9.5 internal diam. Cousins only has a 9.5 with 340 mm and a T-end. Sent from my iPhone using Tapatalk
  5. Very exciting morning with your help. So to try the mineral glass, I chose the closest gasket, with an external diameter of 29.60 (the other option was 30.00) in the hope the I-ring can be stretched by 0.1 mm once the glass is pressed. For the glass, the internal gasket diameter is 28.88, so I chose a MDT sternkreutz 28.9 Juggling with 0.1 mms here and there. Hope this is right.. Sent from my iPhone using Tapatalk
  6. You were too quick! I was typing the question and you sent the answer. Sent from my iPhone using Tapatalk
  7. Oops. Ranfft gives all the info for the mainspring. Only doubt is whether to buy a lengthier spring or a shorter one, when there is no exact match. Ranfft gives 1.45 width;9.5 diam;0.10strength;315 length Cousins has 1.45 x 0.10(strength) x 340 length x 9 Sent from my iPhone using Tapatalk
  8. Thank you all, Rodabod, rogarth63, eezy, Nickelsilver. I extracted the acrylic and found the model as FHF 186 at ranfft. The acrylic measures 2.97 mm. Exactly. The instruction from the videos is to get an even measurement. Should I assume that the acrylic lost 0.1mm then? Or it was 2.97 back in the day, and now we can only get 296 or 298? A mineral watch glass from cousins, of a similar curvature comes with 2.97. I will go for this one, if you agree. The mainspring is listed as Zf1124. Watchguy does not give anything that matches this. This may be the case of measuring it. Is it? Thanks for your time! I really appreciate the help. Sent from my iPhone using Tapatalk
  9. Very good point... Sent from my iPhone using Tapatalk
  10. Hello all, hope Christmas went well! Here we just had 34 degrees on the 24th. Hard to eat with such temperatures! Back to the fun, I would like to replace a glass, but could not find a topic on these rimmed glasses. Please point me to it, if it already exists. My question is: is it necessary to extract the acrylic from the rim? Press or extractor? Or in the catalogs the glasses can be bought with rims already fitted? What is the technical name for this rimmed glass? (I browsed the pdfs from Cousins and Esslinger, but may have missed the glass for not knowing the correct name) Sorry for the basic question.. Sent from my iPhone using Tapatalk
  11. Would it be interesting for this forum to set up a list where we could exchange things like parts and tools? I happen to have duplicate tools from my lot purchases, and feel that those could be better used. No money involved. Would that be feasible?
  12. Definitely not. I only recently joined the forum, but agree that a small introduction is the minimum to do in advance of asking for help. And thanks for putting so much time and effort into helping others.
  13. Hello Scott! I have been dismantling and re-assembling the dead 170 many times (i think 8) trying to memorize the parts and sequence. There is another enthusiast beginner on watchuseek, Michal, who even made some springs. We exchanged parts, and now need to get a case. Or make one. Don’t know which is more difficult. I recently won a lot on ebay, and got really delicate tools for the job of fixing the hairspring (and 3! Of those tools for clamping and heating parts, if anyone is interested-i will offer those somewhere on this forum for free) Although obviously it is too early to succeed on fixing hairsprings, little by little the exercise of fixing and making tools is helping my touch. Have you ever used the leveling tools? The 175 is in a green strap now, waiting to be cared for one day..
  14. Thanks Tudor. Been reading about patina. Quite an interesting subject. Pity most patinas are hazardous to the skin..
  15. I wonder if this passivation could be called patina. Are there any examples of this on stainless steel cases?
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