Citizen: New in original box. However, manual or tags are not included. Model Features: The watch is from Citizen and features their proprietary Eco-Drive technology, which powers the watch using light Days of the week are in Spanish. It includes a day and date display on the picture showing "VIER 8" for Viernes (Friday in Spanish). Water Resistance: "WR 100" indicates a water resistance rating of 100 meters. ECO DRIVE: Refers to Citizen's proprietary technology that powers the watch using light, eliminating the need for battery changes.  Case Back Details: T. STEEL" indicates the material of the case.  "W.R. 10BAR" signifying water resistance up to 10 bar (approximately 100 meters).  "E101-K17535 HSB" and "660176" are likely model and serial number.