XWX is aesthetically apropriate for an early 911. I have them on my 1970 911S. They are mounted on deep sixes and have now done almost 9000 miles. They are superior in all respects compared to the previous Pirelli I had on the car. Dry grip is excellent and they are progressive giving plenty of feedback. Compliant and have good ride characteristics even on the poor road surfaces often encountered in the UK. It rains a good deal in the UK and wet grip is fine. As for the construction of the tire it is manufactured with modern compounds and construction so in that respect it is a modern tire.