The Bulova Marine Star Chronograph Watch pairs a 45 mm stainless steel case with a precise 6-hand quartz chronograph and 200 m water resistance. Built for active wear, it combines timing functionality with a bold black dial and stainless steel bracelet. Key attributes: Black | Silver | Stainless steel | Water-resistant to 20 Bar / 200 m | Quartz chronograph movement (6-hand, 1/20 sec) | Domed mineral crystal | Chronograph | Date display | Rotating bezel with black insert | Fold-over clasp with push buttons and safety bar | Screw-back case | Black dial with luminous hands and markers | Ratcheted rotating bezel with black insert | Stainless steel bracelet with safety extender | Dimensions & fit: Case diameter: 45 mm | Lug width: 22 mm | Adjustable stainless steel bracelet; sizing available | Composition & care: Stainless steel | Mineral crystal | Wipe clean with a soft cloth. Avoid strong chemicals and extreme temperatures. Have battery and water-resistance seals serviced by an authorized technician. Colour: metallic