Other mistake: When Bond gets his Rolex he explains that by pulling out this button it turns it into a hyper intensified magnet, but he actually turns the bezel to activate it. Also, Bond repeats Q's claim that it can deflect the path of a bullet. Lead bullets, even with copper jackets, are not affected by magnetism.
Other mistake: When Bond is sky-surfing on the back of the other agent's boat, you can see a shadow above the skysurfer. Why would there be a shadow in the sky?