CTL920F Rechargeable Panasonic Watch Battery CTL920 for Casio Solar Watches
(CT 920/CTL-920F). This is a genuine Panasonic battery as used in a number of Casio watches. It is suitable for use in Casio watches, but. It will fit your Casio watch. Genuine Panasonic product. Will need charging for 12 hours in the watch.