That is indeed it.
Any idea what crystal it would take?
I'm not certain but I think it takes a Perfit MB209/2 205. Nice call on the ID bobbee.
Good ad match Bobbee. Great engraving, but a rough crystal. Casper, was there a date code on the back of the case? Looks like there's one on the movement too...looks like a 47 possibly?
I'm in for Allerton!