In their respective categories both are real monuments: ALS Datograph as everybody knows with Pelikan M910 Toledo black-silver, the perfect match Two great German instruments ...
But the ones I prefer are the vintage ones flex or semi flex. Btw in the WristScan thread you will see a nice M900 Pelikan Toledo (gold instead of silver) just chek my post...
Thus many assume correctly if they believe it is a Swiss company in terms of nationality But to be complete unless I am mistaking Montblanc pen factory is in Germany (MB watch factory in Le Locle)