bo
35
with apologies to Asi
the Rolex 618 w/ 15 jewels had no shock protection, and the 17 jewel variant had Incabloc shock protection. be aware that this knowledge comes from Asi, hence my apologies to him. 
bo
If that's a question, the answer is no.
3646 cases were fitted with Rolex cal. 618 (15 jewels or 17 jewels with Incabloc) or with the Angelus cal. 240 (perhaps controversial but I have seen at least 3 examples of this rare bird). There is a theoretical possibility that a Unitas pocket watch mov...
incabloc in original 3646?
Hi Asi, Recently, i have been reading and doing a bit of research on the 3646. I remember seeing majority of the 618 fitted by Panerai came without shock-protection (I compared the vintage picture with AT's PAM21) or is my eye-sight giving up on me..=p Pl...
