Ceramic BezelAsia Valjoux Automatic Movement with Smooth Sweeping Seconds Hand Screw-in watch crown Fully Functional Chronograph Pusher at 2:00 starts/stops Chronograph Pusher at 4:00 resets Chronograph High quality PVD Casing High quality genuine Rubber Strap with Deployment Buckle Sapphire Crystal Glass Face with Anti-Reflective Coating Water-Resistant .