[...] It was for my exercise heart monitor. I have two and tried in either one thinking something must no longer work. After reading again I could use either the 2050 (in the original)which needed to be special ordered or the 2032 that is also in the watch component. So I went to my grocery store and bought it and guess what it works in both monitors. So I'm out of the cost of the battery and the shipping. And a lot of time.