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unless it really bothers you I wouldn't mess with the hands. Straightening the minute hand will probably cause the lume to fall out, then you'll have to relume both hands and it'll look weird, not to mention reducing its value. Why do you want to change the crystal?
freddo-
Purely because the micro cracks all over it seem to be getting worse. Hard to see from most angles, but at certain angles in bright sunlight the whole crystal is covered in small radial cracks. One bad knock could see them all joining up and the whole crystal falling out.
i'll try to get a pic to show what i mean.
I've had the watch since 2009 and they do seem to be getting worse. The crystal is at least 35 years old if replaced at service or 50 yrs old if original, and brittle i imagine.
Hairyback
Yes the minute hand is bent. Lume is also cracked in the hour hand.
I bought it from the original owner who had it serviced in Oslo in the mid eighties. Whoever serviced it also managed to mess up the caseback.
Most of the black dialed 7021's suffer from scabby dials due to a defect with the paint used. it doesn't bother me tbh.
Should probably just opt for a full movement service and get the hand straightened when doing the crystal.