Seiko - The History of Seiko Diver's Watches -Japan's first diver's watch Japan's first diver's watch was an automatic 150m Diver's. The launch of this model marked the start of Seiko's pursuit
Seiko Prospex Trilogy Re-Creates First Dive Watches, Including Iconic 'Tuna'
A Look at Seiko's Early Divers
Celebrating 55 years of Seiko diver's watches, three legends are re-born in Prospex. | Seiko Watch Corporation