Andersen balance box replacement

Question

I have a balance box with the following stamps:
one has : 1600-17 623-3 H34 4084
The other has: 1600-17 623-3 H34 1089

What would be the replacement boxes?

Thanks for your time

Tom · Accepted Answer

I recommend that you look at our 24-637. This can replace balance boxes with the stamp 623.