Asia Valjoux 7750 Automatic Movement with Smooth Sweeping Seconds Hand Fully Functional Chronograph Pusher at 2:00 starts/stops Chronograph Pusher at 4:00 resets Chronograph Solid 316 Stainless Steel Case High quality genuine Rubber Strap with Deployment Buckle Sapphire Crystal Glass Face with Anti-Reflective Coating Water-Resistant .