panerai153 Posted September 26, 2006 Report Share Posted September 26, 2006 Is there any such animal as Tropic 127 for the Rolex 1680? If there is, what is the diference between the tropic 127 and standard 127? Thanks Arthur Quote Link to comment Share on other sites More sharing options...
ubiquitous Posted September 26, 2006 Report Share Posted September 26, 2006 Hi Arthur, Really, there is no difference. All acrylic Rolex crystals are arbitrarily called 'Tropics'. Not sure how, or why, but they have all assumed that nomenclature, while technically, the Tropics are the crystals without cyclops, and the Cyclope crystals are the ones with the cyclops. I think it's just easier for most in the Rolex collecting circles to blanket all crystals under this umbrella... And hence why it's been made a popular term to use Quote Link to comment Share on other sites More sharing options...
coolfire Posted September 26, 2006 Report Share Posted September 26, 2006 An interesting factoid: "isotropic" is a common term in physics. i·so·tro·pic (s-trpk, -trpk) adj. "Identical in all directions; invariant with respect to direction." A "tropic" crystal would be, it seems, the same at every azimuth. Meaning, no matter how you look at it, it should have the same optical properties. How interesting... Hmmm... except the fact that distortion occurs at the edges of the 127... but that's the very beauty of it... Hey Randy, i'm still wondering whether an aftermarket or gen 127 will fit into my asian 1680 from jay... Quote Link to comment Share on other sites More sharing options...
eddhead Posted September 26, 2006 Report Share Posted September 26, 2006 An interesting factoid: "isotropic" is a common term in physics. i·so·tro·pic (s-trpk, -trpk) adj. "Identical in all directions; invariant with respect to direction." A "tropic" crystal would be, it seems, the same at every azimuth. Meaning, no matter how you look at it, it should have the same optical properties. this is a very intellectually intimidating post... i think i liked it better when you were reviewing stephen stills Quote Link to comment Share on other sites More sharing options...
ubiquitous Posted September 26, 2006 Report Share Posted September 26, 2006 Hey Randy, i'm still wondering whether an aftermarket or gen 127 will fit into my asian 1680 from jay... You can probably fit one But, you may have to glue the bezel down, or figure out a way to affix it to the case. The 'Asian' 1680's and vintage Rolexes typically use a tension fit bezel which goes around the crystal with a tension spring/spacer, whereas the MBW's/WM's use the retaining ring to hold and seal the crystal to the case (and the bezel then snaps to the retaining ring). So... It can probably be done. It's just the matter of holding it on that's an issue... Quote Link to comment Share on other sites More sharing options...
panerai153 Posted September 26, 2006 Author Report Share Posted September 26, 2006 Thanks very much gentlemen for the answer to my question. Arthur Quote Link to comment Share on other sites More sharing options...
ubiquitous Posted September 26, 2006 Report Share Posted September 26, 2006 *smaffle* *smaffle* Quote Link to comment Share on other sites More sharing options...
coolfire Posted September 27, 2006 Report Share Posted September 27, 2006 You can probably fit one But, you may have to glue the bezel down, or figure out a way to affix it to the case. The 'Asian' 1680's and vintage Rolexes typically use a tension fit bezel which goes around the crystal with a tension spring/spacer, whereas the MBW's/WM's use the retaining ring to hold and seal the crystal to the case (and the bezel then snaps to the retaining ring). So... It can probably be done. It's just the matter of holding it on that's an issue... Hey, thanx for the advice, dude... Will get my watchsmith to try it once i get my hands on a 127 (Erm.. any help on that? ) Cheers... Quote Link to comment Share on other sites More sharing options...
coolfire Posted September 27, 2006 Report Share Posted September 27, 2006 *smaffle* *smaffle* LOL... Great one dude... And yup, I remembered how Nanuq screwed his rollie back in the days of the original RWG... Quote Link to comment Share on other sites More sharing options...
coolfire Posted September 27, 2006 Report Share Posted September 27, 2006 A cool thing about the watch I tried to glue the crystal back onto... it was a Paul's Red Sub and it had a really nice silver datewheel, hollow links bracelet, and GREAT caseback. Too bad it's dead, Jim. What the.... What a waste.... Quote Link to comment Share on other sites More sharing options...
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