Need Stem Omega PO 4813

[OmegaOverlord 0]

I have the 42mm Omega PO pumpkin 4813 movement

http://www.p-cls.com/omse00254-planet-ocean-ssss-asian-4813-28800-p-9575.html

 

So after a while of having a broken crown and tube i went about trying to fix it and i have managed to fit a gen crown and tube i just need to epoxy in the tube though the crown is fitted but as i fitted a gen crown and tube the stem i have now is just a bit short, it changes time and date but does not wind or lock in, i need a slightly longer stem and i will be happy. I was looking on the RWG and they have a bunch of stems i want an assortment of different sizes but dont know which box to buy for my movement please help. thanks

 

http://shop.homage-watches-guide.com/index.php?act=viewCat&catId=24