Citizen Eco Drive Gn-4w-s-12g Manual
GN-4W-S-12G is a case/product identifier rather than the specific movement number needed to find the official manual. Based on common configurations for this model family, it typically features Eco-Drive technology
: If the second hand jumps in 2-second increments , the watch needs immediate light exposure. citizen eco drive gn-4w-s-12g manual
Place the watch dial-up directly under a light source. | Light Source | Time to Full Charge | Time to 1 Day of Power | | :--- | :--- | :--- | | Direct Sunlight | 10 hours | 15 minutes | | Cloudy Day | 35 hours | 45 minutes | | 60W Desk Lamp (12 inches away) | 80 hours | 2 hours | | Office Fluorescent | Very long (not recommended) | 6+ hours | GN-4W-S-12G is a case/product identifier rather than the
Citizen’s model numbering system is logical but not immediately intuitive. A genuine Citizen model number, such as “BN0150-28E,” breaks down into a movement/collection code (BN) followed by a variant number (0150) and a dash with a band/case finish code (28E for black polyurethane strap). The string “GN-4W-S-12G” does not follow this pattern. The “GN” prefix is unusual; “4W” might suggest a 4-hand watch (hour, minute, second, 24-hour), but “S-12G” has no parallel. | Light Source | Time to Full Charge