The balljoint watch was created to mimic an automotive suspension. It features four fully flexible lugs that have 360-degree of movement allowing it to adjust your wrist as you work or play throughout the day. It provides maximum comfort like no other watch. It has a full function Citizen quartz chronograph movement, a 24 hour indicator, luminous hands, date window, screw-in case back, screw-down crown, a non-glare treated sapphire coated crystal, and a black (tire tread design) silicone strap. Case : Stainless steel, 46mm diameter, brushed finish. Band : Black silicone strap with tire tread design and buckle closure, 22mm. Water Resistant : 330 ft. Warranty : 2 Years.