PROSPEX MARINEMASTER SERIES: Introducing the Prospex Master Series: Marinemaster Professional Dive Watches. Serious watches for serious sports. From the first divers watch released in 1965, Seiko has been exceeding expectations
From Humble beginnings, Kintaro Hattori Vision for Seiko has become reality. A consuming passion for excellence – imprinted in our Corporate DNA passed from generation to generation. Seiko, for 125