Diving watch with a second hand side complete with a sturdy waterproof strap. The clock was designed by special order Soviet Navy and are special hours for professional divers. All watches have a serial number on the back of a nickel-plated housing. The watch is reliable and accurate balanced movement on 15 ruby jewels. The watch case has a high degree of watertightness. Shockproof pendulum mechanism works reliably in any extreme conditions. Waterproofing and structural characteristics of hours designed for immersion in water to a depth of 200 meters. Clock size 55h65 mm.