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So this is my very first project I have decided to tackle and my first posting. If I do anything incorrectly, please let me know and I shall correct it asap. So i decided to fix some old watches i had sitting in a box. I believe this watch is the very first watch I purchased myself, at the Victorinox store in the Garden state mall NJ. If I can fix it , i will donate it to my church to help disadvantaged youth dress for interviews and find jobs. The movement is a Ronda 515 1 jewel. I need a crown and tube for this case. The stem seems as it is intact. The crown is required to put the stem in second position , allowing me to remove the stem. I searched All the mechanical drawing, but i cant find the crown type. Is there a special tool required to remove the tube and is it complicated? the crystal is cracked and heavily scratched. so I will need to replace it How do I determine how to remove the crystal and what type of crystal is it, so I can try to find a replacement Definitely will need a cleaning, so once i figure out best oil solution I will do that. I am curious why the watch doesn't say Victorinox on it? Thanks in advance for any advice or suggestions.