Please refrain from purchasing if you are a perfectionist or overly concerned, as this item has been stored at home. I have confirmed the operation before listing, but I do not offer a guarantee. The calendar quick-advance function is broken, but the day of the week still works. Please understand that this is an old mechanical watch. Please examine the images carefully and purchase only if you are satisfied. Returns are not accepted after purchase to prevent swapping. 25 JEWELS 5606-7230 Glass replacement