Horological Meandering

I noticed some strong-ish magnetic effects from my laptop today. Has anyone: - experienced magnetisation of a watch due to working on a laptop - any scientific data about the levels emitted and their risk to watches? Thanks!

Plus also with the handset of your "steam" telephone and near parts of a flat-screen monitor. My car sadly has magnetic catches on lockers etc. Magnet on my messenger bag I carry every day. I had to buy a different non-magnetic cover for my iPhone because... 

I’d be interested to learn, because only half of my watches are touted to be anti-magnetic

. . . an electric de-magnitizer awhile ago. Useful for small tools etc as well. In answer toThomas_3 below, if you pass a small compass around a laptop, you should find a magnetic source, which is in a small area only, but a bit powerful. I think there is... 

Maybe I should stop working for good and enjoy the garden

but I work on a laptop every single day, and I wear a watch every single day, even while working from home. None of my watches have ever shown signs of becoming magnetized.

By Not wearing a mechanical watch while on a computer.