Since finding one of the original 6309 diver type two piece crown/stem setups is getting to be like finding rocking horse droppings or hen teeth; I got to wondering...
Both the 6309 crown and the 7002 crowns have the upper part of the stem screwed into them. I'm wondering if the 6309 stem tube could be shortened(particularly those mangled and mushroomed one Ramon sometimes auctions); could a melange of 6309 crown and 7002 stem be made?
Obviously the longer stem tube on the 6309 is a problem for the 7002 crown but if my observations are right, the stem tubes are the same diameter(might be wrong).
I'm only thinking about this because I have a 6309-729x case that had a mushroomed stem tube and I had an AM 6309 crown(supposedly) that would not screw down. By that I mean it simply could not be pushed in far enough to engage the tube threads. So I ground down the mushroomed tube and eventually the crown was able to catch the tube threads and screw down.
I have a couple of 6309 cases that I want to bring back to usefulness even if it means this kind of kludge.
Do any of you folks have any input on this that might save a couple of worthy Seikos?