Inherited grandfather's Rolex and needing advice - Canada

[AdamWilliam]

Hello community,

Several weeks ago, I inherited my grandfather's GMT Master Rolex. My understanding is that he purchased the watch roughly 42 years ago, so I suspect it is the GMT-Master 1675 model.

I'm not entirely sure on this, but the watch appears to be broken in a few ways:

- It's impossible to set the crown to the first position, where one would change the date. When unscrewed, it goes from winding straight to time setting.
- When in second position, the time can only be set by turning the crown counter-clockwise, or back in time, and not forward in time.
- Finally, perhaps a small thing, but it's my understanding that the bezel is supposed to rotate for the setting of different time zones, but mine appears fixed in place.
- Edit: I should add that while moving the dials back in time (to achieve the correct time), I noticed the date changing around 7pm instead of 12am, which I don't think is kosher.

Some minor polishing repairs are also needed.

If possible, I would like to have the watch serviced at RSC, but I have a feeling that all the regular work in addition to these more complex reparations will be quite costly.

Also, I'm in Montreal, while the RSC center is in Toronto, so I can't just pop in. What would be the best (and safest) way of getting an estimate?

I loved my gramps, and I'd be proud to wear his watch, so I would definitely appreciate any guidance on how to proceed.

Thanks,

-AW