So, this is a weird question... I have a steel bracelet on my watch that squeaks... yes like any metal part that moves, the hinges in the bracelet actually squeak ever to slightly. It's not the end of the world, and it's fairly new so I guess eventually it will break in, but it leads to think... can I just oil/grease up the links? It think it's just the screw-in pins are kind of tight and they are squeaking against the hinges of the links.
What can I use? WD-40? I don't know much about oils... what's safe?