Seiko Cronos Water Proof
In 1959, Seiko introduced its first “WaterProof” wristwatch to the Japanese market, featuring a water resistance of 50 meters. The Cronos WaterProof, with case code J13028, is featured alongside the Laurel Alpinist in the December 1959 issue of Seiko News. The Cronos WaterProof represents Seiko’s response to a growing market demand for water-resistant watches suitable for sports and outdoor activities. It was presented as a luxury waterproof watch, safe for …