The fossil blue watch series has a replaceable battery should the battery die. The back is threaded to allow access to the battery. The new battery would be installed.
what size battery goes in a fossil f2 es-8870
its called an sr920 battery
A 371 watch battery
Helix fossil
About 18.95$ can
No, not really.
The Fossil JR7978 takes two button cell batteries. The larger battery is LR41 and its a smaller battery 377. To my understanding the larger battery is for the time and the smaller battery is what powers the dial display.
Yes it does, it is a pain to get to!
They have that on the Fossil website, scroll to the bottom of the page and click on customer care
2025
renata 395