Thanks for the education about the numbers of weeks in the year. I was not aware of this semainier either (I am still a newbie, I guess). You mentioned that there were a bunch of other brands with the calendar week complication. So far, I am aware of this one, the Glashuette Original (my personal favorite) and the Lange, which operates on the analog basis as this one does with a pointer indicating the week at the outer rim of the dial. The GO may also indicate the 53rd week as well, but maybe someone else can confirm this, as I am not positive about that at all.
At any rate, this BP semainier is gorgeous -- wow, and it also has a tourbillon as well? Hardly noticed that. LOL. ;-)
Thanks for sharing it.
respo