freddy333 Posted February 6, 2008 Report Share Posted February 6, 2008 If the engraving on the caseback from this $98 5512 from Joshua (case Dia 41mm x 12mm Thk) were sanded off it would look very much like a proper gen Daytona caseback (ignore the engraving -- this gen was presented to 1 of the Daytona race winners - the standard Daytona caseback is the same minus the engraving) which is what is missing from all of our Daytona 1165xx reps (case Dia 40mm x 13.5mm Thk) The questions are whether the caseback is the correct diameter & whether the threads match the Daytona cases? Are there any Daytona 1165xx rep owners that have 1 of these 5512s also who may be able to see if the casebacks are interchangeable? Link to comment Share on other sites More sharing options...
gioarmani Posted February 7, 2008 Report Share Posted February 7, 2008 (edited) Possibly. Unless I'm mistaken, the all brushed back only applies to the older 16520 Zenith models (here's some gen pics of both): If you've got a newer, non-Zenith 116520 (like the one you have pictured), the back is both polished & brushed: Unless someone has the older Zenith dial with the charcoal sub-dials, the all brushed back looks incorrect. Edited February 7, 2008 by gioarmani Link to comment Share on other sites More sharing options...
freddy333 Posted February 7, 2008 Author Report Share Posted February 7, 2008 I think you are either confused or debating minutia here. Some of the gen 1165xxs may have a small band of polished metal between the brushed portion and the notches that fit the caseback tool, but the caseback is essentially brushed & flat. If you compare the caseback from either gen -- 116520 or 16520 -- to any of our reps, you will see what I am referring to. And either style of gen caseback would be a significant improvement over the current beveled rep caseback, which no gen Daytona was fitted with. Here is another 116520 (not 16520) from 2001-2002, which is the version that our reps are based on. Again, if you compare the caseback from either of the gen Daytonas to the 5512 in the 1st post, I think you will agree that the 5512 (if you ignore the engraving, which I would sand off) looks considerably closer to either gen caseback than does any of our standard rep Daytona casebacks. Here is Joshua's caseback (the polished areas are beveled, not flat) To be clear, I am not talking about the part of the caseback outside the notches, just the center area within the caseback tool notches. This is entirely flat & mostly brushed on the gens, but beveled on the reps. I think the 5512 (without the engraving) is much closer to the gens. And that is all I am saying. Link to comment Share on other sites More sharing options...
ubiquitous Posted February 7, 2008 Report Share Posted February 7, 2008 freddy, I do suspect that the shape of the 116520 caseback is by no means a mistake; without the curved shape, I'm not sure there would be enough clearance for the rotor? That mod-7750 is pretty thick, if I recall... Link to comment Share on other sites More sharing options...
freddy333 Posted February 7, 2008 Author Report Share Posted February 7, 2008 I do suspect that the shape of the 116520 caseback is by no means a mistake; without the curved shape, I'm not sure there would be enough clearance for the rotor? That mod-7750 is pretty thick, if I recall... True, but I believe the beveled portion that lies outside the notches will provide sufficient rise & clearance for the 7750's rotor. I am sure that at least a few RWG members (who are comfortable removing casebacks) have a 5512 & a Daytona. Hopefully, 1 of them will read this & consider a test swap to see if the 5512's caseback fits the Daytona. Link to comment Share on other sites More sharing options...
ubiquitous Posted February 7, 2008 Report Share Posted February 7, 2008 I'll have to root through my parts; I just might have a caseback that could possibly work. I'll let you know tomorrow... Link to comment Share on other sites More sharing options...
freddy333 Posted February 7, 2008 Author Report Share Posted February 7, 2008 I'll have to root through my parts; I just might have a caseback that could possibly work. I'll let you know tomorrow... Yes, please. Link to comment Share on other sites More sharing options...
ubiquitous Posted February 7, 2008 Report Share Posted February 7, 2008 D- I had a look around and came up with these two casebacks; the one on the left is from a 1655 rep (at least, that's what's stamped inside) and has a slightly domed back. The one on the left is from a 16610 rep, and has the bevel that you are wanting to eliminate. I don't think either of these are going to work for what you want to achieve (and there's no guarantee that they'd even fit for that matter)... Link to comment Share on other sites More sharing options...
manuel Posted February 8, 2008 Report Share Posted February 8, 2008 i would like to know if mbw casebacks do fit genuine cases or if genuine casebacks fit mbw cases... Lets say..can you put a gen caseback from 16013 datejust into a mbw 5513 case? Link to comment Share on other sites More sharing options...
freddy333 Posted February 8, 2008 Author Report Share Posted February 8, 2008 D- I had a look around and came up with these two casebacks; the one on the left is from a 1655 rep (at least, that's what's stamped inside) and has a slightly domed back. The one on the left is from a 16610 rep, and has the bevel that you are wanting to eliminate. I don't think either of these are going to work for what you want to achieve (and there's no guarantee that they'd even fit for that matter)... R - Thanks for posting the pics. But I agree -- neither caseback matches the gen Daytona. In fact, the 1 on the right looks like the exact same caseback that comes fitted to every 1165xx Daytona rep & is the 1 that I am trying to locate a substitute for. Josh's 5512 caseback (pictured at the top of the thread) would do the trick (once the engraving has been removed) as long as the diameter matches the Daytona case. That is the big question. I am hoping some member owns 1 of these & can try it on a Daytona case. If not, I may have to buy 1 to find out. Link to comment Share on other sites More sharing options...
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