Pre-owned collectible rare RADO "Serbia" 25J Cal 2824 is a vintage 1970s Swiss-made automatic watch, often featuring a steel case, 25 jewels, date, automatic winding (ETA 2824 base), 30m water resistance (in manual), crystal, known for classic design with features like stick indexes and a screw back case. It uses the reliable ETA 2824 movement, a robust workhorse known for accuracy, offering a solid vintage luxury experience from the era. Movement & Features (ETA 2824 Base) Movement Type: Automatic (Self-Winding) Mechanical. Jewels: 25 Jewels. Frequency: Typically 28,800 vibrations per hour (vph) or 4 Hz. Power Reserve: Around 38 hours (for base 2824). Functions: Date display. Case & Dial Case Material: Stainless Steel or Micron Gold-plated. Case Size: 35mm, lug to lug : 40mm vintage unisex size. Dial: Sunburst green, with stick indexes or Breguet numerals, and sometimes a crosshair pattern. Crystal: Acrylic Case back: Screw back design. Other Specifications Origin: Swiss Made. Water Resistance: Usually rated for 3 bar (30 meters) in manuals, but for vintage, treat as not water-resistant. Era: 1970s. In essence, you're looking at a classic, durable vintage RADO powered by a legendary Swiss movement, known for its reliability and understated style. Definitely a must have for watch collectors.