OneLoveThe difference between those two models is subtle. The references in the 100 range are pre-Prospex. And the references in the 200 range are in the Prospex collection.
Seiko has been doing this recently where they are moving watches into their Prospex collection and assigning them new reference numbers. They put the Prospex logo on the dial and tweaked some of the dial text. Also, as you mentioned, they added a rubberized coating on the nylon straps.
Seiko has been doing this recently where they are moving watches into their Prospex collection and assigning them new reference numbers. They put the Prospex logo on the dial and tweaked some of the dial text. Also, as you mentioned, they added a rubberized coating on the nylon straps.