Vintage Soviet Diver’s Wrist Compass KNM | Heavy-Duty Metal Compass USSR Navy Equipment | Underwater Navigation Instrument Description: Authentic vintage Soviet diver’s wrist compass KNM, originally used by military and professional divers of the USSR Navy during the Cold War era (1960s–1980s). This model was part of the standard underwater navigation equipment for deep-sea and hard-hat divers. The compass features a robust metal body with a clear plastic dome cover and a rotating numbered bezel for directional reading. The large dial allows easy visibility even underwater or in low light conditions. It is mounted on a thick leather wrist strap, designed to be worn over a diving suit or thick clothing. Specifications: • Model: KNM (Компас Наручный Морской – Marine Wrist Compass) • Origin: USSR (Soviet Union) • Approximate production period: 1960s–1980s • Material: Metal body with plastic transparent top • Dial: 0–360° rotating bezel with clear numerical markings • Strap: Adjustable genuine leather with metal fittings • Diameter: approx. 9 cm (3.5 inches) • Height: approx. 4.5 cm (1.8 inches) • Weight: about 400 g (14 oz) Condition: Vintage used condition with signs of age and wear. Plastic dome shows minor scratches, but overall the compass is well preserved for its age. Functionality not tested. Sold as a collectible item. History: Such KNM compasses were developed for Soviet naval divers and underwater engineers. The instrument was designed to maintain reliability in extreme conditions — under pressure, low visibility, and cold water. Today it is a rare and highly collectible piece of Soviet military diving history, sought after by collectors and enthusiasts of maritime or Cold War memorabilia.