Constellations have higher grade movements.
That’s a nice one.
Perry’s Geneve is well worth restoring as well. Crystal may polish out, but a replacement shouldn’t be difficult for a watchmaker with a parts account.
I get spring bars from eBay seller wholesaleoutlet990. They are decent quality and inexpensive. Just need the lug width, which I think is 18mm on both the constellation and the geneve.