My father just handed down to me a pocket watch that belonged to his father. The inscription on the interior of the watch is "Echappement horizontal" "Aiguilles"; "Quatre Trois en Rubis"; No. 66373
The number 66373 appears on the back of the movement as well as the interior of the case (which appears to be gold).
How do I verify that this is infact a V&C (which is inscribed in the movement) and what year it was made? On the back of the gold case is an picture of a church and the words "La Hoye".
Thanks in advance for any help.