Seiko has announced a trio of ... Forming the new Great Blue collection, the three watches are called the Samurai Scuba, Turtle Scuba and Sumo Scuba. Each has its own case design and strap ...

The most distinguishing feature of the 6306-800 Silverwave is the blue-gray ... “tsunami wave” etching that appeared on the first Silverwave, the “Turtle,” and subsequent Seiko dive ...