seiko 7s26a

Seiko 5 7S26A swap to NH36/4R36. seiko 5 sports srpg35k1 I just came across this forum while searching for information on the swapping out the existing 7S26 movement for the NH36 and while I understand everything that needs to be done, I am not sure which crown and stem to use when doing the final install with the new movement Most, if not all (based on my research