CASIO DW5000R1AJF G-SHOCK First Generation Reissue Model Black DW-5000R-1AJF by CASIO - Iconic Durable Watch with Shock Resistance and Water ResistanceProduct Highlights The "First Generation G SHOCK Reissue Model" symbolizes the evolution and inheritance of the brand: A milestone in watch history merges the original design with modern technology after more than 40 years. On April 12, 1983, Casio launched the tough watch "G SHOCK," which enhanced shock resistance and vibration resistance for harsh environments, surprising the world. Exceeding ISO standards for shock resistant watches, its high shock