Late GTS wiper arm

This is the passenger side wiper arm on US spec 07924. Does this bend look correct? It sits nicely on the glass with almost no overhang on the 18" wiper blades. I've looked at a ton of pics online but a little hard to discern.
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Almost.
Where does the left side contact to high?

 

Never say never but I do not think that is correct. To my eye that is a wiper arm from an early clapper system that is fitted upside down. My theory is that at some time in the life of the car it needed a new arm and this arm was the part the delivered. As it happens despite being the wrong part it would fit in this orientation and nobody thought anything of it until now. Again this is speculation on my part but I have never seen an arm like that on a Dino.

 

I looked at my right wiper arm, and it's perfectly straight. I think that Nuvolari's explanation is correct. Fred

 

I have another straight arm for that side but this, even if not correct, sure seems a better fit with the 18" blades. It could be somebody bent it previously. It doesn't overhang the chrome trim.

 

0,8mm original wide....
guess Rob is correct... in this case 0,7mm wide...
looks like 0,7mm on the picture to me

 

The service bulletin quotes 8.9mm blade. This blade is the correct width as the locking part of the blade is not squeezed down to 7mm. I am going to Auto e Moto d’Epoca and wiper blades and arms are about the only things on my hit list.

 

The Arman CA1 arm has the correct angle but is 5cm shorted and not black


View attachment 3749908

 

Another '74 GTS 06354 with the same angle blade. Maybe it was a late update?
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1972 04124

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slight bend is correct....
if 0.8mm wide (end of wiper arm) it`s the original one....