: Visit the Citizen Watch Setting Instructions page or the US Support Site .
The Citizen GN-4-S Go to product viewer dialog for this item.
: Look at the back of your watch case. You are looking for a string of characters (e.g., H060-T025919 or E870 ). The first four alphanumeric characters before the hyphen represent your movement caliber.
: Input those four characters into the search bar to access the PDF manual or video tutorial specific to your watch's functions. Common Basic Settings (Eco-Drive & Analog)
(often part of a larger stamp like GN-4W-S) is a common case-back marking that indicates the watch's water resistance and case type, rather than its specific movement model. To find the correct user manual, you must identify the also found on the case back. How to Find Your Specific Manual
