New, unused. Soviet diving watch "Zlatoust" (model 191 ChS), USSR Navy watch. New! This is a professional instrument, developed specifically by order of the Navy for use by deep-sea divers. Specifications and Features Type and Movement: Manually wound mechanical movement with 15 ruby ​​jewels. Case: Massive, often all-metal (monocoque), made of steel or nickel-plated steel, capable of withstanding extreme pressure at depth. Water Resistance: The watch is rated for operation at depths of up to 200 meters. Protection: Distinguishing features include a removable protective grille over the crystal and a massive screw-down crown attached to the case with a chain. Dial: Typically black with large luminous numerals. Wide, special waterproof strap ( rubber). Original box cardboard . Documentation (certificate/passport, quick start guide). Mounting screwdriver and spare gasket.