My experience with watchmakers is English is not their first language so they usually use a translator. I guess email is probably better so both parties will have time to figure out what the other side is saying. I guess if all else fails I will give him ...
It is a pity I was not aware of this before, I met Beat several times at Basel. Her spouse speaks a bit French. Try again and send me a PM, I will try to help you. Thanks. Fx