CaptainJack Posted November 7, 2010 Report Share Posted November 7, 2010 Hello everyone, I've been shopping for a gen crystal for my v3 and the part number I've run across several times for the 16610 sub crystal is 25-295-c2. I'm curious if that number is for a late model crystal with the micro etched crown? Anybody know? Thanks for your help, Jack Quote Link to comment Share on other sites More sharing options...
patinga Posted November 7, 2010 Report Share Posted November 7, 2010 The C2 is for the Explorer II. You want 25-295-C1. Quote Link to comment Share on other sites More sharing options...
CaptainJack Posted November 8, 2010 Author Report Share Posted November 8, 2010 Well, that definitely helped. And that number is for the late model, etched crown version? Jack The C2 is for the Explorer II. You want 25-295-C1. Quote Link to comment Share on other sites More sharing options...
patinga Posted November 8, 2010 Report Share Posted November 8, 2010 My bad. Got numbers mixed up and D-Rock corrected me. You do want the 25-295-C2. I just pulled up the tech manual. Quote Link to comment Share on other sites More sharing options...
sneed12 Posted November 8, 2010 Report Share Posted November 8, 2010 What's the difference? Just thickness right? I think either crystal should fit either case, the Sub crystal is just slightly thicker due to the increased depth rating. Quote Link to comment Share on other sites More sharing options...
d-rock Posted November 8, 2010 Report Share Posted November 8, 2010 Out of curiousity, does the Tech Manual you've referred to mention anything that could be helpful in trying to determine the "specs" and uses of a crystal that doesn't have a package with labeled part number?? Perhaps exact diameter and thickness measurements?? Thanks again. Quote Link to comment Share on other sites More sharing options...
alligoat Posted November 8, 2010 Report Share Posted November 8, 2010 Although 25-295-C2 is the correct part for a Submariner crystal, I believe BK uses the 25-295-C1 on the WM9's. The crystal is the same, but the gasket is a wee bit taller on the C-1. The etched crown has been around for over 10 years, so any replacement gen crystal should have it. It should have an 'S' in the middle of the etched crown for 'service'. @ d-rock, the gen crystal is stepped. The top OD is 30.5 and the bottom OD is 29.5mm. Cousins has a good diagram of this http://www.cousinsuk.com/catalog/4/494/1957.aspx Look under the generic mineral glass with date lens, for the 295 C-1 and C-2 to compare. Quote Link to comment Share on other sites More sharing options...
Dizzy Posted November 8, 2010 Report Share Posted November 8, 2010 etched crown + I HATE HATE HATE the fact that you can see the stupid etching on my 16600 SSD crystal. I like the one on my MBW16610, you can barely see it. Basicly if you can see it easily with your naked eye then its obvious your crystal (and / or entire watch) is a replica. Replacing the crystal on the SSD isnt as easy as the WM9 because the SSD isnt constructed the same as a gen. BK tried it and it was a no go. Too bad. dizz Quote Link to comment Share on other sites More sharing options...
16234 Posted November 8, 2010 Report Share Posted November 8, 2010 Captain,I have been sourcing for the same crystal too.If you do find it,do let me know where and possibly the $ as well.Appreciate it! Cheers Dee Quote Link to comment Share on other sites More sharing options...
CaptainJack Posted November 8, 2010 Author Report Share Posted November 8, 2010 Well this turned into an interesting discussion; C1 or C2 allgoat, thank you for the link. Cousins sure is a resource. Dee, I'm waiting to here from the dealer until tue, closed today. I bought a gen tube for $90 already and he's going to look at his inventory for a used crown in very good condition(he has a new sealed one for $190!). I'm going to send a PM to BK, I'm asking him to do the work on my super-franken, to see what he would prefer. Jack Quote Link to comment Share on other sites More sharing options...
16234 Posted November 8, 2010 Report Share Posted November 8, 2010 Crown,tube n etc would be next.Crystal is main priority now =) Hope it won't break my wallet though ...Swapping would be done by my local watchsmith Well this turned into an interesting discussion; C1 or C2 allgoat, thank you for the link. Cousins sure is a resource. Dee, I'm waiting to here from the dealer until tue, closed today. I bought a gen tube for $90 already and he's going to look at his inventory for a used crown in very good condition(he has a new sealed one for $190!). I'm going to send a PM to BK, I'm asking him to do the work on my super-franken, to see what he would prefer. Jack Quote Link to comment Share on other sites More sharing options...
d-rock Posted November 8, 2010 Report Share Posted November 8, 2010 Although 25-295-C2 is the correct part for a Submariner crystal, I believe BK uses the 25-295-C1 on the WM9's. The crystal is the same, but the gasket is a wee bit taller on the C-1. The etched crown has been around for over 10 years, so any replacement gen crystal should have it. It should have an 'S' in the middle of the etched crown for 'service'. @ d-rock, the gen crystal is stepped. The top OD is 30.5 and the bottom OD is 29.5mm. Cousins has a good diagram of this http://www.cousinsuk.com/catalog/4/494/1957.aspx Look under the generic mineral glass with date lens, for the 295 C-1 and C-2 to compare. THANKS for the info !!! I'm glad to hear the gen C2 crystal will fit the v2 as I've already got 2 of them waiting at the house. I DO have another question for you, sir. I'm fairly certain the numbers of the crowns I've scooped up are the 24-703-0. But what about the tube needed to put these in the eta 2678 mvt??? BK says he has a custom tube for this application but out of curiousity will a gen 16610 tube work as well?? Quote Link to comment Share on other sites More sharing options...
d-rock Posted November 8, 2010 Report Share Posted November 8, 2010 Well this turned into an interesting discussion; C1 or C2 allgoat, thank you for the link. Cousins sure is a resource. Dee, I'm waiting to here from the dealer until tue, closed today. I bought a gen tube for $90 already and he's going to look at his inventory for a used crown in very good condition(he has a new sealed one for $190!). I'm going to send a PM to BK, I'm asking him to do the work on my super-franken, to see what he would prefer. Jack Cool, Capt. Be sure to let us know what BK says about the WM9's. BTW...I'm going to put the gen 93150/501B on hold and go for the gen dial, if I can find one. The one we discussed is nice but if I'm going "all the way" on one of these I may as well stay date correct. Quote Link to comment Share on other sites More sharing options...
CaptainJack Posted November 10, 2010 Author Report Share Posted November 10, 2010 Just heard from BK, the C2 is the gasket for the sub, the C1 is for the YM. Crystals are the same. Thanks BK and all of you for your input, Jack Quote Link to comment Share on other sites More sharing options...
kevin300z Posted April 29, 2013 Report Share Posted April 29, 2013 http://www.esslinger.com/pdfs/rolex%20chart%20case%20number%20and%20crystal%20number.pdf Quote Link to comment Share on other sites More sharing options...
Valty Posted April 29, 2013 Report Share Posted April 29, 2013 http://www.esslinger.com/pdfs/rolex%20chart%20case%20number%20and%20crystal%20number.pdf Very helpful link, thanks ! Quote Link to comment Share on other sites More sharing options...
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