Newly acquired vintage Omegas

Hi there,

Looking for some help here. I just acquired both of these watches, the constellation seems to be running after a new battery but the Geneve dynamic does not appear to run. Any idea what I should expect to pay to get these serviced? Also for insurance purposes I’d like to figure out a fair market value for each. Lastly on a scale of 1-10 how hard would it be to find a replacement crystal for these?