rare Omega constellation chronometer megasonic 720hz gents watch Case/Dial,used,ref#(om-55)

For sale is a Vintage constellation chronometer megasonic 720hz gents watch Case/Dial,used,
spares or repair
for restoration/project
1960's/70's
genuine omega
swiss made
please study pictures,
what you see the in pictures,is what you will receive,
complete dimensions given in pictures.