Grandpa's watch

I now have the information on the watch I inherited from Grandpa.  I would appreciate any information you can share about the collection and value of this watch.

Many thanks-

18 jewels
Case # 121 (that number is in a box) 376645 6483
Movement #K1001
Serial #553214
Grandpa's watch
ref 6483 from the 60s using a lovely slim caliber K1001. As for
10/05/2010 - 20:02
value it would be better to contact an auction house who could provide a valuation free of charge.