How to Replace a Battery on a Fossil Watch


  • Watch case knife
  • Sealing greace lubricator
  • Bergeon screw driver
  • Rubber dust blower
  • Battery 364 (sr621)


  1. Remove pin from band to access case back
  2. Pop open case back
  3. Slide over contact to remove old battery
  4. Install new battery 
  5. Clean out dust from movement with dust blower
  6. Remove or ring gasket and place inside sealing greace lubricator
  7. Install back on to case back
  8. Close back with pressure
  9. Set time
  10. Install pin back and connect band.
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