Rolexman Posted February 23, 2009 Report Share Posted February 23, 2009 How do I properly remove and install this damn thing to avoid it in the future and where can I get a spare? Does an ETA fit? Maybe someone has an old A7750 lying around and is willing to sell the hammer to me (or the entire broke movement)? Thanks! Quote Link to comment Share on other sites More sharing options...
pv007 Posted February 24, 2009 Report Share Posted February 24, 2009 (edited) How do I properly remove and install this damn thing to avoid it in the future and where can I get a spare? Does an ETA fit? Maybe someone has an old A7750 lying around and is willing to sell the hammer to me (or the entire broke movement)? Thanks! The ETA should fit but you will have to give a try ... you can order at www.cousinuk.com ( really serious company) If you want to remove it first 1/ Take off the rotor 2/ Take off the very thin and small clutch spring if you don't want to loose it (normally you have to take it off after the hammer but I prefer to do it first) 3/ Take off the hammer spring but without removing the automatic device bridge * use a wood stick (pegwood) or a brass tweeter (or Stainless one ...) and use the very small hole at the very right end to bring it back from the bridge then you will able to take off do it carrefully To install it you have to get everything assembled but rotor and clutch spring Just put the two left hole in their movement feet then slowly bring back the hammer spring to put it under the Automatic bridge with a tweeter or a pegwood You have to do this very carefully and slowly Edited February 24, 2009 by pv007 Quote Link to comment Share on other sites More sharing options...
Rolexman Posted February 24, 2009 Author Report Share Posted February 24, 2009 The ETA should fit but you will have to give a try ... you can order at www.cousinuk.com ( really serious company) If you want to remove it first 1/ Take off the rotor 2/ Take off the very thin and small clutch spring if you don't want to loose it (normally you have to take it off after the hammer but I prefer to do it first) 3/ Take off the hammer spring but without removing the automatic device bridge * use a wood stick (pegwood) or a brass tweeter (or Stainless one ...) and use the very small hole at the very right end to bring it back from the bridge then you will able to take off do it carrefully To install it you have to get everything assembled but rotor and clutch spring Just put the two left hole in their movement feet then slowly bring back the hammer spring to put it under the Automatic bridge with a tweeter or a pegwood You have to do this very carefully and slowly Thanks PV007! I will give Cousin a try! I already disassembled the whole chronograph module but somehow I managed to brake the hammer spring in the very beginning Quote Link to comment Share on other sites More sharing options...
Omega Posted March 12, 2009 Report Share Posted March 12, 2009 Try to ask your local watchmaker, he has for sure some laying around. I always get spare parts from mine for cheap. Quote Link to comment Share on other sites More sharing options...
richard lawton Posted March 12, 2009 Report Share Posted March 12, 2009 Hi Rolexman PM Me your details, I have a spare from an asian 7750 I will send you Regards Richard Quote Link to comment Share on other sites More sharing options...
Rolexman Posted March 12, 2009 Author Report Share Posted March 12, 2009 Hi Rolexman PM Me your details, I have a spare from an asian 7750 I will send you Regards Richard That's very kind of you Richard but I already ordered and received an ETA version. Fits perfect. Thanks again for the offer! Quote Link to comment Share on other sites More sharing options...
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