photon Posted April 28, 2016 Report Share Posted April 28, 2016 My first pre-daytona build is nearly done. Thanks alligoat for the phong dial. 2 Link to comment Share on other sites More sharing options...
lukenorris2011 Posted April 28, 2016 Report Share Posted April 28, 2016 Love it! Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Revere Posted April 28, 2016 Report Share Posted April 28, 2016 That looks pretty good. Where did you source the case from, if you don't mind my asking? Link to comment Share on other sites More sharing options...
freddy333 Posted April 28, 2016 Report Share Posted April 28, 2016 Nice work. Link to comment Share on other sites More sharing options...
photon Posted April 28, 2016 Author Report Share Posted April 28, 2016 7 minutes ago, Revere said: That looks pretty good. Where did you source the case from, if you don't mind my asking? The case is one of the standard DW 6239/6263 cases for 7750. I trimmed the edge (filed off and finished with sand papers), made the bezel and movement ring for V72. Link to comment Share on other sites More sharing options...
Guest Daytona1984 Posted April 28, 2016 Report Share Posted April 28, 2016 What a beauty! Congrats Link to comment Share on other sites More sharing options...
Sbybbuser Posted April 28, 2016 Report Share Posted April 28, 2016 Great looking watch Link to comment Share on other sites More sharing options...
Sub007 Posted April 28, 2016 Report Share Posted April 28, 2016 What a beauty! Love that dial and hands combination Link to comment Share on other sites More sharing options...
meadowsweet_ Posted April 29, 2016 Report Share Posted April 29, 2016 @photon did that bezel come with the DW case? Don't think I've ever seen one without the usual UPH bezels. Love this, and that dial is great looking. Always loved the look of the pre-Daytona Cosmographs, something about the look of the smooth plain bezel and the piston pump pushers that's so appealing visually. Elegant, understated and such a "pure" tool watch Link to comment Share on other sites More sharing options...
photon Posted April 29, 2016 Author Report Share Posted April 29, 2016 6 hours ago, meadowsweet_ said: @photon did that bezel come with the DW case? Don't think I've ever seen one without the usual UPH bezels. Love this, and that dial is great looking. Always loved the look of the pre-Daytona Cosmographs, something about the look of the smooth plain bezel and the piston pump pushers that's so appealing visually. Elegant, understated and such a "pure" tool watch I think DW offered smooth bezels for his 6239/6263 case but, he had disappeared from the net before I decided to gather parts. Anyway, his smooth bezel was a bit too tall and I found it off. Smooth bezels are simple and it's not that hard to make one by yourself if you have access to a lathe. I used a hobby lathe for making the bezel and the movement ring for this build. There are sellers on the bay who offer smooth bezels for 36mm oyster cases but, they cannot be used off-the-shelf because of the brim at the bottom of crystal retaining ring on the DW cases. This means you anyway need a lathe. I agree with you and I like the oyster style of pre-Daytonas. 1 Link to comment Share on other sites More sharing options...
panerai153 Posted May 2, 2016 Report Share Posted May 2, 2016 Yours is beautiful!! mine pales in comparison to yours with the phong dial. Really great job. mine says hello. Just a comparison, the DW dials like mine has are not even close. The subdials are a dead giveaway!! Link to comment Share on other sites More sharing options...
alligoat Posted May 2, 2016 Report Share Posted May 2, 2016 Nice job photon! You've done an excellent job and I love how you corrected the Phong dial- good work. Link to comment Share on other sites More sharing options...
Sogeha Posted May 2, 2016 Report Share Posted May 2, 2016 Please tell us about correcting the Phong dial. Link to comment Share on other sites More sharing options...
photon Posted May 3, 2016 Author Report Share Posted May 3, 2016 panerai153, sir I cannot see your picture and could you try updating the link? alligoat, thanks for the comment! Sogeha, the Phong dial I started with had three flaws which can be seen in the pic below. 1. "G" instead of "6" Simply, the gap on the horizontal line was filled with paint! 2. Incorrect coronet (the one with a sharp edge was there) Got a gen 18k WG coronet and the original one was replaced with the gen. 3. Long indices Each index except at 5, 15 and 25 position was shortened by erasing partially. This was done under a microscope with a toothpick soaked in ethanol. 1 Link to comment Share on other sites More sharing options...
Revere Posted May 3, 2016 Report Share Posted May 3, 2016 Were there any issues with pusher location for the v72 in a 7750 case? Link to comment Share on other sites More sharing options...
photon Posted May 4, 2016 Author Report Share Posted May 4, 2016 5 hours ago, Revere said: Were there any issues with pusher location for the v72 in a 7750 case? The pushers on DW 7750 cases are asymmetric and their positions are aligned well radially with the chrono operation and reset levers on V72. But, funnily enough mine have a problem in the depth position. While the winding stem position is okay, the top pusher just misses the operation lever. But, this may be unique to my V72 because the length of the operation lever in the thickness direction of the movement is quite short. A more conventional V72 operation lever with a longer lever is on the way and this will tell if the problem is due to the case or the movement. Link to comment Share on other sites More sharing options...
rolojack Posted May 4, 2016 Report Share Posted May 4, 2016 Beautiful built ! I am impressed ! Congratulations, really. How are the engravings and the midcase rear? Just curious.... Also, did you go all the way and managed to get the proper bridges for the movement? Link to comment Share on other sites More sharing options...
panerai153 Posted May 4, 2016 Report Share Posted May 4, 2016 My 6238 Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Revere Posted May 4, 2016 Report Share Posted May 4, 2016 17 hours ago, photon said: The pushers on DW 7750 cases are asymmetric and their positions are aligned well radially with the chrono operation and reset levers on V72. But, funnily enough mine have a problem in the depth position. While the winding stem position is okay, the top pusher just misses the operation lever. But, this may be unique to my V72 because the length of the operation lever in the thickness direction of the movement is quite short. A more conventional V72 operation lever with a longer lever is on the way and this will tell if the problem is due to the case or the movement. Thank you for the information! That's interesting. Correct me if I'm wrong, but aren't 7750 pushers symmetric? Why would DW 7750 cases have asymmetric positioned pushers? Was there an expectation that the pushers would be modified or something? Link to comment Share on other sites More sharing options...
photon Posted May 4, 2016 Author Report Share Posted May 4, 2016 rolojack, unfortunately no engraving inside (as yet) panerai153, thanks for the pic! Is that a gen rivet brace? I'd love to get such a nice bracelet. Revere, you're right and the pusher positions on 7750 are symmetric. My guess is that DW was lazy enough not to modify his V72 case design and he just increased the bore of the V72 case to fit 7750. The size difference between these two movements is just one ligne (~ 2.2 mm - my home-made mvt ring fill precisely fill this gap). Correct me if I am wrong experts but, it's my view that DW V72 and DW 7750 cases are essentially the same except the bore size. 7750 just happens to tolerate the asymmetric pusher positions. Link to comment Share on other sites More sharing options...
Sogeha Posted May 4, 2016 Report Share Posted May 4, 2016 On 3 May 2016 at 1:24 PM, photon said: panerai153, sir I cannot see your picture and could you try updating the link? alligoat, thanks for the comment! Sogeha, the Phong dial I started with had three flaws which can be seen in the pic below. 1. "G" instead of "6" Simply, the gap on the horizontal line was filled with paint! 2. Incorrect coronet (the one with a sharp edge was there) Got a gen 18k WG coronet and the original one was replaced with the gen. 3. Long indices Each index except at 5, 15 and 25 position was shortened by erasing partially. This was done under a microscope with a toothpick soaked in ethanol. Thank you for the detailed explanation. I'm going to look at the long indices when I am less tired as I'm not getting that at the moment. Link to comment Share on other sites More sharing options...
photon Posted September 3, 2017 Author Report Share Posted September 3, 2017 (edited) It's been a while since we last saw V72-6238 projects here. I wonder what all the daytona experts are up to these days. My latest project: Edited September 3, 2017 by photon 1 1 Link to comment Share on other sites More sharing options...
Sogeha Posted September 3, 2017 Report Share Posted September 3, 2017 1 hour ago, photon said: It's been a while since we last saw V72-6238 projects here. I wonder what all the daytona experts are up to these days. My latest project: Post a build thread on that project please, it's a beauty Link to comment Share on other sites More sharing options...
newswire Posted September 3, 2017 Report Share Posted September 3, 2017 I think DW offered smooth bezels for his 6239/6263 case but, he had disappeared from the net before I decided to gather parts. Anyway, his smooth bezel was a bit too tall and I found it off. Smooth bezels are simple and it's not that hard to make one by yourself if you have access to a lathe. I used a hobby lathe for making the bezel and the movement ring for this build. There are sellers on the bay who offer smooth bezels for 36mm oyster cases but, they cannot be used off-the-shelf because of the brim at the bottom of crystal retaining ring on the DW cases. This means you anyway need a lathe. I agree with you and I like the oyster style of pre-Daytonas.For those looking for smooth bezel for their builds, I got my mine for my pre Daytona from JMB. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
slay Posted September 3, 2017 Report Share Posted September 3, 2017 For those looking for smooth bezel for their builds, I got my mine for my pre Daytona from JMB. Sent from my iPhone using TapatalkJust keep in mind that the 6238 had a symmetric case, so the side where the crown sits is less thick than on a 6263. If you use a 6263 case with a smooth bezel, it wont look right.Rolex made the crown-side fatter than the other side when they started using 7mm crowns and screw-down pushers (although 6239s exist in both variations).Sent from my iPad using Tapatalk 2 Link to comment Share on other sites More sharing options...
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