IWC

Hi all, I know we do not have an IWC forum so I thought to post this here. Can anyone tell me the difference between the IW371713 (basic pilots chrono) and the IW371431 (Portuguese Chrono-Automatic). Having seen both in an AD lately I am lead to believe t... 

And I am certain it is a pricing strategy to reflect the higher position of the Portuguese line in IWC's collection, as opposed to any significant intrinsic difference. - SJX

...in your opinion which offered better value (difficult to define I know!) Honestly I thought the pilots chrono had a much better case machining and the bracelet (while nothing special) was well made. In tandem with the obvious benefits of the day-date I... 

...sorry guys, but please bear with me... The Ingenieur series,... do they contain ETA based movements or JLC based movements? Or am I confusing this with the VC Overseas? Or am I just wrong?

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