Citizen Eco Drive Gn4ws12g Manual Link -

Since you are looking for the manual link, you likely need quick answers. Below is a functional summary of the three main buttons (crown + pushers) based on the official Citizen Eco-Drive chronograph documentation.

If you still have the original tag, you can enter the full model number (e.g., BN0191-55L) into the search bar on Citizen's global site . Quick Start Guide for Citizen Eco-Drive

The GN-4W-S is solar-powered. It does not require battery replacement under normal conditions.