GenTLe Posted January 4, 2015 Report Posted January 4, 2015 Last week I gave a run to my BlackBay on the timegrapher machine and, noticing 0.4ms beat error and + 23s/d, I decided to give it a full service. While I was washing the parts I also put in the machine the Tudor crown. Well... When I took it out the black enamel of the crown engravings was half away Probably a bad quality enamel or a not well degreased surface when applied. So I proceeded to the restoration: 1) wrap the watch (that has been already fully reassembled) to avoid that any possible squirt of diluent or polish peste could find its way to the bezel or crystal 2) remove the rest of the enamel with a very tiny soft brush alternating it with a bigger (5mm) harder one, both lightly dipped into nitro diluent 3) apply a new enamel (I used nitro based one I had around), diluted enough so that it fills the tiny engravings, using the very tiny soft brush of point 2 upper 4) after 1 hour, take a lint free cloth like linen, put it well stretched on a flat surface and drip a bit of diluent on it. The cloth shuldn't be drenched, just humid. Then pass the crown over it. And this is the result (after I polished again a bit the metal) So take care of what you put in the ultrasonic machine... Cheers, Gentle
cc33 Posted January 4, 2015 Report Posted January 4, 2015 Amazing, the boys over on the gen forums think that it's ok to use a marker to fill in a daytona bezel once the enamel has worn away, leave it to the rep forums to have the right answer. I bet this would work well for that too. Well done!!
cc33 Posted January 4, 2015 Report Posted January 4, 2015 Nice one Freddy, never saw that thanks for the link
GenTLe Posted January 5, 2015 Author Report Posted January 5, 2015 Another option It is basically the same way I also did, just different paint
cc33 Posted January 5, 2015 Report Posted January 5, 2015 Can I have the brand name of the enamel pls, and the medium you used to dilute. thank you
GenTLe Posted January 5, 2015 Author Report Posted January 5, 2015 Can I have the brand name of the enamel pls, and the medium you used to dilute. thank you It was just common nitro-synthetic black paint, similar to this one: http://www.colsam.com/docs/tecniche/EN/42100000_EN.pdf Diluted "at look" with nitro-syntetic tinner.
Ezio Posted January 5, 2015 Report Posted January 5, 2015 Gentle this is great Great job And great work
pcardoza Posted January 5, 2015 Report Posted January 5, 2015 Always amazed by the level of talent that so many members have here!
automatico Posted January 5, 2015 Report Posted January 5, 2015 Something else about ultrasonic cleaning...when cleaning a bracelet be sure to put the bracelet in the machine with the clasp unlatched. If the us machine is extra powerful it will often etch the contact surfaces where the clasp is snapped together and make it hard to open and close.
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