399 Renata Watch Batteries 5Pcs

Legitimate Renata packaging 399 batteries. Date of order was 3/2020, date of expiration is 9/2022. This short date range is why I give it 4 stars. I know from experience when ordering watch batteries via Amazon to expect more often than not batteries that are near expiration. These are silver oxide batteries I believe and freshly manufactured are considered to last for 5 yrs. it appears from my research (battery junction chemistry guide). Thus I've got 50% of that.

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Great price and delivery...

I have gone through 2 of these for mt watch and they last about 3 days so far. So basically if I'm going to wear my nicer watch I have to change the battery that day so I can use it with these. I would look elsewhere for batteries.

The BATTERY ONLY lasted a few months in my watch, compared to 8 years for my previous one. Does not worth the labor cost.