(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
The Citizen GN-4-S Go to product viewer dialog for this item. Citizen Gn-4-s User Manual
While specific steps vary by movement, most Citizen analog watches with this case marking follow these general procedures: Instruction manual | CITIZEN WATCH Global Network (often part of a larger stamp like GN-4W-S)
: Visit the Citizen Watch Setting Instructions page or the US Support Site . Citizen Gn-4-s User Manual
" is a general case marking, follow these steps to get the exact instructions for your watch: