IWC Portuguese Yacht Club Question/Help?

[lindstd]

I am wondering if anyone has any advice on this model in regard to wearing this watch with a suit? I am in the process of probably buying a IWC Port 5001-07 but I have been looking at the IWC Yacht Club over and over and it is a real beauty. I am 6'1 and 215pds and I think I can wear the 45mm but I don't know if I would look like an idiot trying to wear a 45mm watch with my suit at work? I also like the Glashutte Senator XL and the Glashutte Senator Sixties however I think I would regret not getting a watch with you date function. Any advice about that as well would be appreciated. As I mentioned earlier, I am pretty sure that I am leaning towards the IWC Port 5001-07 but I just don't want to make a mistake and regret my decision. Thanks everyone for your help and replies.