Seiko 5 Sports Style Automatic SRPD61 SRPD61K1 SRPD61K 100M Men's Watch Seiko created a new formula for their famous Seiko 5 line and decided to add more colours and strength to it. The 2019 Seiko 5 ensures it is bringing the enthusiasts the best from some of its best dive and field watches, throwing in the elements of both in the new Seiko 5 design. The build is still very much a Seiko 5 and enhanced; with a look influenced heavily by some of the brandâs most famous diver.