how reliable is A2892?

[gotsung]

I am thinking of getting the new IWC Mark VIII or VII and I found this movement.
I am aware of that 2836 and 2813 is solid but I am not sure about this one.
What's you guy's experience on it?

 

[johsScandi]

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[hzzhangyu]

My IWC Portofino is running strong on A2892