The charcoal dial is the perfect foil for the open movement window and the silver-tone hands and markers on this 21 jewel Bulova BVA 100 Series automatic. This automatic also features a full glass exhibition back so you can see the full movement including the red corundum jewels that serve . Black dial highlighted by silver-tone hands and markers Sweep second hand - the signature of a mechanical watch - sweeps evenly around the dial rather than jumping like a standard quartz watch Luminous accents on hands and markers for low-light visibility 21 jewel automatic, self-winding mechanical movement - winds from the motion of your wrist - no batteries required Stainless steel case and stainless steel bracelet with gold-tone accents and folding deployment buckle Curved crystal magnifies face and is scratch resistant 30 Meters water resistant Approximate case dimensions: width 40.5 mm (about 1.6 inches) and 12 mm thick) Backed by Bulova's 3 years manufacturer's warranty