Seiko Prospex Land Tortoise Automatic Diver's SRPG17 SRPG17K1 SRPG17K 200M Men's WatchSeiko Prospex Land Tortoise Automatic Diver's SRPG17 SRPG17K1 SRPG17K 200M Men's Watch The Seiko Turtle turned into a land exploration watch while retaining some of its diving abilities. Seikos new take on the Turtle brings a compass bezel instead of the classic, 60 minutes scale working as a timer; the case design resembling many others within the Turtle segment. Its the typical, pebble shape without any protruding lug; its got strong shoulders