Caran d'ache pen identification help

[StickyHands]

I recently picked up these two pens at auction, and am having trouble IDing them. I think the burgundy one has had the nib switched out. 

[mke]

Have you contacted Caran d'Ache? When I had a question about a CdA pen, I got an answer from them.

https://www.carandache.com/ch/en/contact.cfm

[emetoyer]

Caran d’Ache hexagonal:  

I have the FP and cap RB in burgundy, and the Swiss Army Watch models. (Photo credit to original poster)