CITIZEN NJ0170-83X Men's automatic watch with analog display, stainless steel grey case and matching stainless steel grey bracelet, 43mm diameter, green dial under mineral glass, butterfly clasp, 10ATM water resistance; automatic caliber 8210 (21,600 vibrations per hour), average daily accuracy -20 to +40 seconds depending on conditions, approximately 40 hours power reserve when fully charged. Brand: CITIZEN Category: WATCH Gender: MAN Mechanism: AUTOMATIC AUTOMATIC Display: ANALOGICAL Case: STAINLESS STEEL (GREY Strap: STAINLESS STEEL (GREY Dial: GREEN Glass: MINERAL Closure: BUTTERFLY Water: 10ATM Diameter: 43MM Special: URBAN - AUTOMATIC RECHARGE 8210 (21,600 OSCILLATIONS PER HOUR) AVERAGE DAILY ACCURACY RANGE: -20 TO +40 SECONDS, DEPENDING ON ENVIRONMENTAL AND USAGE CONDITIONS. 40 HOURS POWER RESERVE (IF CHARGED AT 100%)