Definitely safe. Not sure what this other people are saying, no one can do anything with those information.
No facts.
For extra safety call and ask Apple. 90%+ of the comments here from other members contain no facts.
Would you give your car's VIN number out at random? Your phone number? Your birthday?
A random person off Craigslist doesn't need the serial number for a watch.
Thanks for the replies. Sounds like it's better to be safe than sorry....as usual.
Don't. He's trying to scam you.
lol. Not necessarily.
There is an Apple website that you can use to check warranties. I've seen serial numbers exchanged before solely for this purpose.
There is very little he can do with the serial number. Maybe try to move the device over into his support profile, but I'm not sure what he could do with that besides see what the device's service history is.
Your car's VIN is visible to anyone who wants to look.Would you give your car's VIN number out at random?....
Would you give your car's VIN number out at random? Your phone number? Your birthday?
A random person off Craigslist doesn't need the serial number for a watch.