Citizen Mechanical Sports Green Dial Rubber Strap Automatic Men's Watch NJ0129-10X. Citizen Mechanical Sports Green Dial Rubber Strap Automatic Men's Watch NJ0129-10X — a Citizen round timepiece with confident wrist presence at 43mm. From the Mechanical Sports collection, paired with a black rubber strap for an elegant, considered finish.. Mineral Crystal guards the green dial — reliable, everyday protection. Water resistance of 100 Metres (10 ATM) handles rain, hand washing, and everyday splashes without issue. Anchored by the rubber strap and tang buckle — solid, secure, built for everyday use. A Citizen 8210 automatic movement keeps time accurately and reliably.. Specifications. Brand. Citizen. Collection. Mechanical Sports. Model. NJ0129-10X. 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. Green. Luminous. Hands and Markers. Functions. Hour, Minute, Second, Date. Strap Material. Rubber. Strap Colour. Black. Clasp. Tang Buckle. Water Resistance. 100 Metres (10 ATM). Weight. 90g