The Seiko “Turtle” first came out in 1976 with the 6306 and 6309 line of dive watches. It was named after the distinct case shape that resembles a turtle shell and its aquatic abilities. Seiko has ...

The Seiko “Turtle” first came out in 1976 with the 6306 and 6309 line of dive watches. It was named after the distinct case shape that resembles a turtle shell and its aquatic abilities.

Seiko’s Prospex dive watches offer more water resistance and durability than the 5 Sports line. This modern update on Seiko’s 3606 “Turtle” dive watch has a 200m dive rating. This 5 Sports dive ...

In 1965, Seiko was informed by a professional diver that watches used at great depths frequently sustained damage. In response, the brand developed Japan’s first-ever diver’s watch ...