Brushed and Polished Stainless Steel Case and Bracelet. Unidirectional rotating bezel with engraved hour markers. Bright silver dial has three subdials, luminous hands and hour markers. Chronograph features 1/10th of a second, small seconds and 30-minute registers with a flyback second hand for comparing lap times. A window at the 4 o'clock hour reveals the automatic date calendar. Screw-in crown and caseback for water resistance up to 200 meters (660 feet). Perfect for scuba diving. Scratch resistant sapphire crystal. Precise Swiss quartz movement. Case diameter is approx. 34 mm. Case width near crown is approx. 36.5 mm (38.5 mm with crown). Case thickness is approx. 12 mm. Bracelet width is approx. 18 mm.