Not as many explanations before, the shell reminded 007 of their good time on the beach, and then he wanted to look at her phone one last time.
The shell is a reminder that the smart woman left for 007. In English, the word for shells is "seashell", and its pronunciation is similar to "see cell", that is, "see cell phone", so 007 will look at her cell phone again.
Hope I am right, ha ha.
View more about Casino Royale reviews
