Whats your guesses about watch stability?

[Kriaz01]

Hi!
I was thinking of buying a watch either the ZF V3 IWC 3714 that has a modified a7750 with seconds running on 6, or the IWC portofino chronograph with the A7750 running on standard positions 6-9-12. Does anyone have experience of A7750 movements with the normal positions does the reliability usually differ or is it not a big deal? Does anyone know which factory produce the latest IWC portofino chronograph?

Any help will be appreciated!

 

[Nanook65]

There are many posts about 7750. Try using search. ......

General concensus is that as long as sec is @9 (native position) this movement is very reliable. When they move the sec to a different position they have to add extra gears and this adds stresses that the movement wasn't designed for. All the problems seem to occur when sec is somewhere other than@ 9

 

[Kriaz01]

Thanks! I would love to find more about the IWC portofino chrono itself, seems to be a forgotten watch..

 

[atgm]

Thanks! I would love to find more about the IWC portofino chrono itself, seems to be a forgotten watch..

It's not forgotten at all; there's a huge thread about the correct thickness version.

 

[Kriaz01]

It's not forgotten at all; there's a huge thread about the correct thickness version.

Really!! I did the searching but didn't found.. I must be bad at this let's try again.. Thanks

 

[atgm]

https://forum.replica-watch.info/threads/new-zf-iwc-3714-same-size-as-gen-coming-soon.345774/unread

 

[Kriaz01]

https://forum.replica-watch.info/threads/new-zf-iwc-3714-same-size-as-gen-coming-soon.345774/unread

Ahh, i meant the Portofino Chronograph Ref. 3910....Thanks anyway it's also a good watch but the movement stability has me worried a bit...