Used vintage Casio watch. See photos for condition. New Renata brand battery installed June 2025. Note: Battery life varies due to age, shelf life, and other factors. There is no guarantee as to the battery life in this watch.  Battery replacement date and brand are for reference purposes only.  Future battery changes are the responsibility of the buyer.   See video to see chrono hands operating properly and returning to 12 oclock. Watch shows wear. From smoke free home.