Here are Fossil's smart battery modes for Wear OS - 9to5Google
How To Change Battery FOSSIL FS4552 Chronograph Watch | How To Change Battery FOSSIL FS4552 Chronograph Watch | By SolimBD | Facebook
Batterie de montre de haute qualité, compatible avec Fossil Q Explorer Gen 3, Armani ART5004, APP00222
Hey everyone, in light of the COVID situation my Fossil Neutra Chronograph (sku: FS5381) battery has died. Any advice on what battery I can use to replace it and how to open