ProMariner Posted August 31, 2014 Report Share Posted August 31, 2014 Hi guys, i have placed an order on PT for a 1665 comex dial (Pisani dial which is the original dial) equipped with the 2846 low beat ETA movement. I have read that the case doesn't use a gen like crystal assemble, actually the crystal isn't stuck into the case with a metal retainer ring as on the gen or cartels but with a plastic ring. I plan to install a clark t39 dome acrylic crystal on it (not the super dome as I don't like it) and I was wondering if the crystals will fit ? I would like also to find an alternative to replace the plastic crystal gasket or retainer ring don't know how to call it, so I was wondering also if an aftermarket or gen one will fit on the case with the clark crystal ? I know there's a bunch of Rolex vintage experts put there, thank you for your help ! Quote Link to comment Share on other sites More sharing options...
Boxsash Posted August 31, 2014 Report Share Posted August 31, 2014 Hiya Im thinking of going this route too and would like to know myself. I saw that thread on the RWG that some one fitted a clarks xtal. perhaps i'll look for it again later and ask them. The comex dial version looks great. Quote Link to comment Share on other sites More sharing options...
ww12345 Posted August 31, 2014 Report Share Posted August 31, 2014 You'll need JMB to mill you a new retaining ring. Once that is done, you're golden and can replace the crystal with a Clark's. Quote Link to comment Share on other sites More sharing options...
automatico Posted August 31, 2014 Report Share Posted August 31, 2014 I have fitted quite a few crystals on 5512/13/1680 replicas supposed to be 'oem spec' and almost always end up trying crystals from 3 or 4 different suppliers before getting a proper fit. The crystal retainer bezels from ST and Clark are usually pretty close to oem spec so most of the trouble is the crystal. I have used Clark 19 on a couple MBK projects with good luck but had to cut a hair out of the id of the crystal retainer bezel on one using a ST/Clark bezel kit (ST and Clark bezel kits are identical). On the last one I used a GS PA 462-66 and it worked Ok. What this all boils down to is that many (if not most) of these projects do not go together without some machine work or parts swapping. Something else...aftmkt crystals claimed to be 'oem spec' usually are not exactly 'oem spec' at all. Some are very close but others are not so I sometimes end up using an 'out of spec' crystal because it is a closer fit with an 'out of spec' case or bezel. Quote Link to comment Share on other sites More sharing options...
alligoat Posted September 1, 2014 Report Share Posted September 1, 2014 You'll need JMB to mill you a new retaining ring. Once that is done, you're golden and can replace the crystal with a Clark's. +1 I used a GS PA 462-67A. Quote Link to comment Share on other sites More sharing options...
ProMariner Posted September 1, 2014 Author Report Share Posted September 1, 2014 Guys is the MBW case and Puretime 2846 case are the same or not ? Quote Link to comment Share on other sites More sharing options...
Bc1221 Posted September 1, 2014 Report Share Posted September 1, 2014 No MBW and PT are completely different. Email angus before you order. He hasn't had any vintage subs and sd in stock all summer. Last I checked, they were still unsure when and if they'd ever be back in stock. I went with a cartel 1680(in a 5512 case). It took a Clark plexi but I did have to mod the crystal retaining ring to get a good fit. Quote Link to comment Share on other sites More sharing options...
ProMariner Posted September 1, 2014 Author Report Share Posted September 1, 2014 No MBW and PT are completely different. Email angus before you order. He hasn't had any vintage subs and sd in stock all summer. Last I checked, they were still unsure when and if they'd ever be back in stock. I went with a cartel 1680(in a 5512 case). It took a Clark plexi but I did have to mod the crystal retaining ring to get a good fit. I unfortunately already made the payment I hope the watch is in stock .. :/ Quote Link to comment Share on other sites More sharing options...
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