Pour some rubbing alcohol into a shallow tray and place the bezel face up in it. This will help with loosening the gunk that has accumulated in all the tiny holes around the back of the bezel. Allow to soak for a few minutes to remove the gunk from the holes. This will give a much more well defined click when rotating the bezel. You can also use the end of the SIM card tool or an old toothbrush to help clean out each hole. Rinse thoroughly and dry before placing the retainer ring in the groove. As far as putting oil on the retainer, I would say it's probably not a good idea. I put everything back together dry, and it works just as well now as it did the day it was new.
If possible, try to have the watch on a watch pillow while you're working. Be very careful when removing your bezel and work over a towel to make sure none of the tiny parts escape. There will be four white round bearings at approximately the 1, 5, 7, and 11 o'clock positions. If you do end up disturbing them, beneath these bearings will be four tiny springs. If you lose one of them, you're probably screwed, so be very careful with them. The springs themselves are magnetic, and since mine fell out, I had to figure out how to get them back in. A cell phone SIM card removal tool works perfectly to aid in easily getting them back in. The SIM card tool fits inside the spring, so all you have to do is set in in the hole in the face of the watch and use anything non magnetic to slide the spring off of the tool. From there, just set the bearing back in place and tilt the watch very slightly to roll it into the hole and on top of the spring.
Everything went fine up until this last step. I tried and tried and tried to get the bezel snapped back into place following the directions, but I always ended up unable to get one side of the bezel to press into place. What I ended up doing was placing the split in the ring at the 12 o'clock location, and instead of lining and pressing that section down first, I started 180° away from the split and got that aligned in the six o'clock pisition first, then I started working my way around the watch equally until I got to the split which was at 12 o'clock, I touch the bezel lightly with the tip of my finger and it clicked and fell right into place. The bezel is now in place and functioning exactly as it did when it was new. Aside from this one step, the tutorial went exactly according to plan.
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