need an opinion should i sell my mamiya 645 1000s for an super ikonta B

[Andy38]

OK my local film store had a super ikonta IV with great glass (tessar)... but sadly the film counter window didn't work and the light meter was dead... but I can still advance film just like other folders and the coupled rangefinder works great.... it was less than 300 so I bought it...

Have you tried it with a film (used or only paper) ?
Does shutter work correctly at all speeds ?
I have one and meter works , but I don't know if it's accurate and I don't use it ; I prefer external light meter .
Pretty camera , less heavy than B and BX !