Citizen Mechanical Sports Blue Dial Automatic Men's Watch NJ0121-89L. Citizen Mechanical Sports Blue Dial Automatic Men's Watch NJ0121-89L — a Citizen round timepiece with confident wrist presence at 43mm. From the Mechanical Sports collection, paired with a silver stainless steel bracelet for an elegant, considered finish.. Mineral Crystal guards the blue dial — reliable, everyday protection. Water resistance of 100 Metres (10 ATM) handles rain, hand washing, and everyday splashes without issue. Anchored by the stainless steel bracelet and fold-over clasp with push button — solid, secure, built for everyday use. A Citizen 8210 automatic movement keeps time accurately and reliably.. Specifications. Brand. Citizen. Collection. Mechanical Sports. Model. NJ0121-89L. Gender. Men's. Movement. Automatic. Calibre. Citizen 8210. Power Reserve. 42 hours. Case Material. Stainless Steel. Case Diameter. 43mm. Case Thickness. 12.4mm. Lug Width. 22mm. Case Shape. Round. Case Colour. Silver. Bezel. Stainless Steel. Crystal. Mineral Crystal. Caseback. Solid Screw-Down. Dial Colour. Blue. Luminous. Hands and Markers. Functions. Hour, Minute, Second, Date. Strap Material. Stainless Steel. Strap Colour. Silver. Clasp. Fold-Over Clasp with Push Button. Water Resistance. 100 Metres (10 ATM). Weight. 150g