54 Discussions and CommentsMember since Feb. 12, 2012
United Kingdom
I had this mark XII fully serviced by IWC in Switzerland in May 2012. Since then it has stopped twice whilst being worn and if I do not shake it everynight before bed it will stop after 8-10 hours. When working however it keeps perfect time. To surmise I would say it is like owning a sports car or race horse... needs attention constantly and will either be loved or loathed. I suppose I could return it to IWC but I have read many times that the JLC movement is not reliable so I guess I will have to just live with it. Any other owners of this model have similar experiences?
2,247 Discussions and CommentsMember since Aug. 2, 2001
I do not agree that you "will just have to live with it".
I believe IWC provides a warranty with their service. Whether they do or not, I suggest you contact them and tell them of the problem. I believe you will find they will be happy to do what they can to make the watch function correctly.
hebe Wrote:Well, your disappointing experience with a JLC based movement seems to be an individual case.
I was told by watchmakers at IWC that they found the movement to be a "problem child" in some of their Mark XIIs.
In theory, the movement should operate fine; I was told by a third-party that there was a problem with oiling the barrel which was difficult to do precisely. But still this should be fixable.
The problem here, with respect,, is that this watch is at least 15 years old. I do not know if it was bought used or what problems the prior owner had, where it was serviced, etc. Sometimes, detecting those problems even during an overhaul is difficult. But still --if IWC serviced it-- that service should be under warranty, Therefore, don't live with it --get it fixed, and personally I'm sorry you have this problem.
829 Discussions and CommentsMember since Aug. 4, 2006
Michael Friedberg Wrote in reply to:
hebe Wrote:Well, your disappointing experience with a JLC based movement seems to be an individual case.
I was told by watchmakers at IWC that they found the movement to be a "problem child" in some of their Mark XIIs.
In theory, the movement should operate fine; I was told by a third-party that there was a problem with oiling the barrel which was difficult to do precisely. But still this should be fixable.
The problem here, with respect,, is that this watch is at least 15 years old. ... But still --if IWC serviced it-- that service should be under warranty, Therefore, don't live with it --get it fixed, and personally I'm sorry you have this problem.
I have heard about the 'oiling' problem due to servicing the Mk12 during a dialogue with the watchmakker of my AD but like HEBE I have several JLC based IWC in my collection (Ings, YCIIs, MkXII), they all have their wrist time and have also had no similar problems,till today. But you have alraedy made it clear, Michael. The watch is at least 15 years old, the service is under warranty and I am sure that IWC will fix this problem.
54 Discussions and CommentsMember since Feb. 12, 2012
United Kingdom
Thank you everyone for your feedback. Michael, you are spot on with the age, it was purchased in 1997. Bearing in mind that this watch is 15 years old (which does not really seem to be that old in watch years and for a quality timepeice), how long should I realistically expect the power reserve to last? It is now noon and after a good few minutes shaking and revolving the watch I have taken it off to see exactly how long the power reserve lasts.
3,849 Discussions and CommentsMember since April 17, 2001
IWC fixed it for you I understand? If so great to hear.
I have a mark xii for about 15 years and had it IWC serviced about 7 years ago. It ran before and after great. Only case was cratched and the crown didn't screw anymore. And I got it back with... fish crown:)
5,029 Discussions and CommentsMember since Aug. 9, 2006
Lancs Lad Wrote:My Mk X11 (12) doesn't have "T SWISS MADE T " under the 6. It just has "SWISS MADE" Why is this please? Rgds Antony
T Swiss T indicates the hands and markets were coated with tritium that is no longer used by watch manufactures. It was a slightly radioactive. Hands and markers are now coated with LumaNova or Super LumaNova.
When working however it keeps perfect time.
To surmise I would say it is like owning a sports car or race horse... needs attention constantly and will either be loved or loathed.
I suppose I could return it to IWC but I have read many times that the JLC movement is not reliable so I guess I will have to just live with it.
Any other owners of this model have similar experiences?
Proud owner of a mark XII
I believe IWC provides a warranty with their service. Whether they do or not, I suggest you contact them and tell them of the problem. I believe you will find they will be happy to do what they can to make the watch function correctly.
Dick L.
whichwatch at roadrunner dot com
I have some JLC based IWC in my collection: Mark XII, Ing. Chronometer, Yacht Club II, ref. 3205 and ref. 3279.
All these watches had no similar problem, as you described.
Regards
HEBE
I was told by watchmakers at IWC that they found the movement to be a "problem child" in some of their Mark XIIs.
In theory, the movement should operate fine; I was told by a third-party that there was a problem with oiling the barrel which was difficult to do precisely. But still this should be fixable.
The problem here, with respect,, is that this watch is at least 15 years old. I do not know if it was bought used or what problems the prior owner had, where it was serviced, etc. Sometimes, detecting those problems even during an overhaul is difficult. But still --if IWC serviced it-- that service should be under warranty, Therefore, don't live with it --get it fixed, and personally I'm sorry you have this problem.
Regards, Michael
mfriedberg@iwcforum.com
Last edited: 17 December, 2012 - 19:25
I have heard about the 'oiling' problem due to servicing the Mk12 during a dialogue with the watchmakker of my AD but like HEBE I have several JLC based IWC in my collection (Ings, YCIIs, MkXII), they all have their wrist time and have also had no similar problems,till today.
But you have alraedy made it clear, Michael.
The watch is at least 15 years old, the service is under warranty and I am sure that IWC will fix this problem.
Kind regards
Hajo
Fair Winds and Following Seas
Last edited: 9 January, 2013 - 09:24
It is now noon and after a good few minutes shaking and revolving the watch I have taken it off to see exactly how long the power reserve lasts.
Proud owner of a mark XII
Proud owner of a mark XII
Last edited: 27 January, 2013 - 05:39
I have a mark xii for about 15 years and had it IWC serviced about 7 years ago. It ran before and after great. Only case was cratched and the crown didn't screw anymore. And I got it back with... fish crown:)
Greetings, Martijn
T Swiss T indicates the hands and markets were coated with tritium that is no longer used by watch manufactures. It was a slightly radioactive. Hands and markers are now coated with LumaNova or Super LumaNova.
Bill
Hi Antony,
I would not worry too much about missing the 2 x 'Ts', after 15 years the dial is no longer luminous.
Proud owner of a mark XII
Last edited: 15 March, 2013 - 20:46