Another Laureato question: rotor noise?

Can anyone with a 38mm Laureato (3300 series movement) tell me what the rotor is supposed to sound like, particularly when spinning in the non-winding direction?

I had to send mine in for a stuttering seconds hand and when it came back I swore the rotor sounded louder, almost like it was scraping/rattling. But I didn’t give it a serious listen before so can’t be certain. However I can’t help but feel like it sounds loose. But maybe that’s what a ceramic bearing rotor sounds like?

Anyways…

Another Laureato question: rotor noise?

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