Citizen Automatic Day Date NH8391-51E

The Citizen Automatic Day Date NH8391-51E calendar watch has a 40.2 mm wide and 13.1 mm thick stainless steel case. A silver-colored steel bracelet is attached to the case. A black crosshair dial with day-date is protected under the mineral glass. The 8200-caliber automatic movement has 21 jewels and oscillates 21,600 times per hour. It has a running time of approximately 40 hours. The Citizen NH8391-51E calendar watch has a water resistance class of 50m/5atm, which means it has limited water resistance (swimming is not recommended). All Citizen watches come with a 2-year warranty and are shipped in the original manufacturer's case.