I ordered this batery, because I'm tired of every time to pay for a Baterienwechsel 8 in watchmaking. After a long search, I came across this batery with a great price-performance ratio. Shipping was very quick and in a normal envelope. The batery are packed in a original approx 1.5x1.5 cm large blister. For life I can yet make no statement, but this will grudge once the first clock stops again. One more small note: It took me forever to figure out the right size for my watches. (In many watches it seems to be a standard size, although there are hundreds of different names for the batery). This batery here seem to fit for most popular watch models. (My at least for all, but there are simple watches, without additional functions) but To be sure, I would recommend everyone to go to the clock and measure the Baterie therein. How it works: [...]