The new Bulova Sutton pocket watch allows you to experience the foundation of American watchmaking, when American watchmakers like Joseph Bulova were at the forefront of timekeeping and pocket watches were de rigueur. The sophisticated polishedtone stainless steel case has a mineral crystal and features a winding crown guarded by a bow that adds a modern edge to this classic silhouette. Thetone dial features silver-tone roman numerals and hands, with a central aperture that offers a view at the timepiece's inner workings. The skeletonized automatic movement that powers the watch has 21 jewels and a power reserve of 42 hours. The historic look is completed with a 15-inchtone stainless steel chain that ends in a tuning fork spring clip for secure attachment. A modern reinterpretation of an American classic, the Bulova Sutton pocket watch transports its owner with classic refinement. 50mm Gold Tone stainless steel case Gold Tone and Grey Accent Mineral Crystal: Impact and shatter resistant 3 hands Full Skeleton 15 inch Gold Tone Stainless Steel Chain with Lobster Claw Clasp Water resistant to 30 meters Automatic movement - Powered by the release of a wound spring, mechanical movements never require a battery. Automatic mechanical movements have an oscillating weight that winds the spring with the motion of the wearer's arm.. Bulova Style #: 97A178.