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Water Resistance: 30 Meters Movement: Quartz Case: Scratchproof high-tech ceramics Band: Scratchproof of high-tech ceramics Crystal: Sapphire Size: 30mm Multifunction Watch-Date Setting Timer, 2nd Time Zone, SPLIT Chronograph , Chronograph ADD Alarm Blending precise sport timing features and a luxuriously elegant style, the Rado Sintra men's analog/digital chronograph watch (model R13354152) is as at home complementing black tie dress as it is wearing everyday casual dress. Made of high-tech ceramics, this fashionable watch is also amazingly durable and virtually scratch-proof. The ceramic case and bracelet form a unified whole that hugs the wrist as snugly as if molded to it and follows the your every movement. The black-tone square case (measuring 31mm, or 1.22 inches wide) frames a spare black dial with just gold-tone hands. At the bottom of the dial sits a digital read-out for the chronograph functions, which include timer, split, and add functions. The digital portion can also display a second time zone. The black ceramic bracelet features wide single links that taper from the case and is joined by a deployment folding clasp. Other features include an alarm, scratch-resistant sapphire crystal, ultra-precise Swiss quartz analog/digital movement, and water resistance to 30 meters (99 feet). The raw material for Rado's high-tech ceramics is a very fine powder that is pressed or injected into a mold. The powder is compacted into scratchproof ceramic parts in a sintering blast furnace of 1,450 degrees Celsius. These parts are given a brilliant shin by polishing with diamond dust. Highly resistant to scratches, Rado's high-tech ceramics rate an 8 on a scratch-proof scale of 1 to 10 (with aluminum rated less than 3, gold less than 4, steel less than 5, and diamond topping the scale at 10). About Rado Founded in Switzerland in 1917, Rado didn't come to prominence until 1962 when the company released the DiaStar--the first watch to be made from scratch-proof hard metal. While other companies use conventional materials like gold, brass or steel, Rado uses ultra-durable materials such as sapphire crystal and high-tech ceramics that had been used in the development of the space shuttle. In 1996, Rado made watch history again presenting with the DiaStar Concept 1--the first watch made from polycrystalline diamond (PCD), a material that has the same hardness as natural diamond. Accuracy, high performance, and lasting value are key to the Rado philosophy--a perfect match to the unique design found throughout the company's timepiece collections.