Quartz movement. High-quality scratch-resistant Mineral Crystal watchglass. Full Stainless Steel construction, resulting in a heavy weight/feel. Beautiful polished stainless casing finish. Full Stainless Steel watch bracelet. Fully Functional Stopwatch Chronograph displays. Full Stainless Steel watch back with the appropriate engravings. All the appropriate IWC markings in all the appropriate places, including the clasp, dial, and back.