dbutlerman Posted September 21, 2011 Report Share Posted September 21, 2011 I just got a new 7030 Tube and a Used 703 Crown. The 703 Crown does not have any gaskets in it (I am used to Omega Crowns which have an internal gasket), but the 7030 tube box has 4 gaskets - 2 small, 1 medium and 1 large. I think 1 large goes around the crown side of the tube, 1 medium goes on the case side of the tube, 1 small goes inside the crown side of the tube, but that leaves me with one extra gasket. Can anybody tell me where that goes or if I have something screwed up above...? Quote Link to comment Share on other sites More sharing options...
jmb Posted September 22, 2011 Report Share Posted September 22, 2011 The two small "fat" ones go INSIDE the tube and I think you have the others figured out. Quote Link to comment Share on other sites More sharing options...
alligoat Posted September 22, 2011 Report Share Posted September 22, 2011 Yep, the two small o-rings go in the tube. Original 702 assemblies had two in the tube and one at the inside end of the crown, hence triplock. The 703 assembly improves upon that with two in the tube, one in the crown and one on the outside of the case tube. Guess we could call it a quad-lock but Rolex just kept with triplock designation. Quote Link to comment Share on other sites More sharing options...
dbutlerman Posted September 22, 2011 Author Report Share Posted September 22, 2011 Cool! So I am missing the inside the crown gasket. I've order both 5mm and 6mm size from Ofrei, is the 6mm the correct size? I thought this was a 7mm crown..slightly confused.. Any help? Quote Link to comment Share on other sites More sharing options...
alligoat Posted September 22, 2011 Report Share Posted September 22, 2011 You can use the same size gasket on the crown as the two that go in the tube. PM me your address and I can send you a couple of spares. When I screw the tube into the case, I just use blue thread locker (aka loc-tite) on the threads. I've quit fooling with the rubber gasket there or the thin metal washer/gaskets that you sometimes get. Thread locker works fine for me which is swimming to 20 ft. For scuba diving, I wear a $200 scuba watch. Check out automatico's post on crowns and tubes, very informative http://www.rwg.cc/to...889-crown-info/ Quote Link to comment Share on other sites More sharing options...
Nanuq Posted September 22, 2011 Report Share Posted September 22, 2011 Check out this cross section of a "701" Triplock. It shows a rectangular seat into which an o-ring has been pressed. On the newer generation 703 it's the same idea, in the same location, but it's more of an angled seat in the tube, so the crown's pressure down onto the o-ring mashes it sideways into the crown stem a little harder. Quote Link to comment Share on other sites More sharing options...
dbutlerman Posted September 22, 2011 Author Report Share Posted September 22, 2011 Thanks guys! This information is perfect! Quote Link to comment Share on other sites More sharing options...
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