Bill Sohne
1637
ok..... a few questions
Hi
First off very nice watch.
Where are you located and where did your Dad purchase this watch ? I am assuming he bought it new. Also will you please also post closeup photos of the clasp and markings. By the clasp are there any ref numbers ? How do you know its a caliber 671 ? Have you had the watch opened ? if so did you get the case ref number on the inside of the caseback? The case is a monoblock case aka the movement comes out thru the front of the case by removal of the crystal.
Good Hunting
Bill Sohne