Seiko
Since then Seiko’s diving watch has become a global standard as a result 50 years of innovation.
Seiko produces watches with quartz, kinetic, solar, and mechanical movements of varying prices, ranging from around ¥4,000 (US$45) (sold under the brand Alba) to ¥50,000,000 (US$554,000). To separate the customer groups, Seiko has created many different brands in Japan and the international market.
Seiko has several lines such as the Seiko 5, luxury "Credor", "Prospex", "Presage" and the "Grand Seiko" series.