Blancpain

I just purchased received my first Blancpain. I am absolutely mesmerized by this beautiful piece. But I am a total newbie to Blancpain. My watch did not come with an instruction manual (but it did come with original box). I have found the instruction manu...  

Blancpain says it's fine (secure), but since yours is older, I don't know for certain. ...  

Ah! Well, secure movement is something now to read about. I will also inquire through Blancpain as well. Thanks for the knowledge.

Essentially, for it to be secure is to mean that you can't damage it while setting it, even during the change.