Big_Jim Posted December 12, 2013 Report Share Posted December 12, 2013 Good Evening Gents, I started this hobby a few years ago when I purchesed a GMT Master 2 from a site i was given by a friend that was into reps (they're not a TD here, nor would I recommend them) The watch started to run fast on me, gaining a min a day or so. Towards the end of its life, I could no longer adjust the 24hr hand, the watch was gaining 15+min a day, and finally the crown broke off of the stem. Does anyone think it would be worth servicing? The watch does have some sentimental value as it was my first rep. Any recommendations of someone in the CONUS to fix this? Cheers! Link to comment Share on other sites More sharing options...
Ronin Posted December 12, 2013 Report Share Posted December 12, 2013 Sounds like a typical 2836-ModGMT issue and possibly magnetized causing it to run fast. It probably needs demagnetized and the GMT module repaired. Or if you are handy, R&R the movement with a new one. Link to comment Share on other sites More sharing options...
Big_Jim Posted December 12, 2013 Author Report Share Posted December 12, 2013 Im pretty sure I could tackle the R&R myself after doing a bit of reading. I'd have to get the proper movement (was sold as an asian 21j movement.) Would the movement come with a new stem and crown? Other than the most obvious answer of a magnet, how would a movement become magnetized? Link to comment Share on other sites More sharing options...
Ronin Posted December 12, 2013 Report Share Posted December 12, 2013 The Asian 21J "GMT" is really a DG3804b. You can find them Ofrei or eBay. My wife magnetized her gen Breitling switching off the Subwoofer to our Home Theater System once. Also, some safe's have electromagnetic solenoid style lock mechanisms. Link to comment Share on other sites More sharing options...
Big_Jim Posted December 12, 2013 Author Report Share Posted December 12, 2013 None on ebay, and OOS on Ofrei. Time to start google'n. Thank you very much for the info. Im guessing my watch became magnetized from sitting near my computer speakers. Link to comment Share on other sites More sharing options...
Big_Jim Posted December 18, 2013 Author Report Share Posted December 18, 2013 Well, i've run out of places to look for the DG3894b. any other suggestions? Link to comment Share on other sites More sharing options...
Ronin Posted December 18, 2013 Report Share Posted December 18, 2013 I believe the "Alpha" brand or "Chronotac GMT" Chinese GMT homage watches all use the same 3804 style movement. Might want to search eBay for GMT watches under $100 w/automatic movements. Link to comment Share on other sites More sharing options...
AKTime Posted December 18, 2013 Report Share Posted December 18, 2013 http://www.ebay.com/itm/Luxury-Mens-GMT-Dual-Time-Zone-S-Steel-Date-Automatic-Mechnical-Wrist-Watch-/251067925885?pt=Wristwatches&hash=item3a74d0857d Check that link for a Bagelsport Explorer 2 knockoff, probably the cheapest way to get a GMT movement. $38.00 Link to comment Share on other sites More sharing options...
Big_Jim Posted December 20, 2013 Author Report Share Posted December 20, 2013 Thanks so much guys! Let the experimenting begin! Link to comment Share on other sites More sharing options...
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