Identification] Hello, I received this watch from my grandpa but I don't know what it is, its a Citizen GN-4-S-11H, with Eco Drive written on the box : r/Watches
Orologio da uomo Citizen Quartz Data Chronograph 0510 C50022 GN-4-S Quadrante nero funzionante | eBay
Citizen Stainless Steel Analog Date Window Watch, GN-4-S-11, Japan Movement | WatchCharts