Citizen Owners Manuals, User Guides, Instructional Help Documents & Information. Page 5 Citizen Owners Manuals, User Guides, Instructional Help Documents & Information. Page 4 Although the Ecodrive watches made by Citizen contain a rechargeable battery, after a long period of usage the battery is no longer able to hold a charge. When that occurs, it would be less expensive to replace the battery instead of buying a new watch. This guide demonstrates how to properly perform a battery replacement on a Citizen Ecodrive