Seiko Slim Turtle 6309
In 1982, Seiko introduced the 150m Slim Turtle divers with the automatic caliber 6309 to the export market, the same movement used for the export versions of the Seiko Turtle. In this guide, we will explore the history and features of all the known models in this series. Index Introduction to the 6309 divers The series of automatic 6309 divers started with the Seiko Turtle in 1976.While the Turtle version …