Seiko 5 Sports Style Automatic SRPD53 SRPD53K1 SRPD53K 100M Men's Watch It’s a watch built with a true and specific purpose behind, which is focused in a way that aligns not just with the 5-specifics but also to some stalwarts of the diving domains. In plain words, it offers everything offered by any Seiko 5 watch along with stellar diver specs. Now, that feels like a recipe for an excellent and reliable watch that can be taken amidst some very harsh outdoors.