Citizen Super Titanium Chronograph pairs a blue dial with lightweight titanium construction and a precise quartz movement, designed for everyday wear and active use. Key attributes: Blue | Silver | Titanium | Water resistant 100 m | Sapphire crystal | Chronograph | Titanium bracelet | Blue dial | Stick indices | Chronograph subdials | Dimensions & fit: Case diameter: 40 mm | Composition & care: Titanium | Sapphire crystal | Wipe clean with a soft cloth. Avoid strong chemicals and prolonged exposure to moisture. Have water resistance checked periodically and service the battery at an authorized service center.