Seiko Prospex Solar Sumo SSC759 SSC759J1 SSC759J Chronograph 200M Men's Watch The Seiko Prospex Sumo Chronograph is Solar-powered and can go down up to 200m under water. It has a 6-month long power reserve upon full charge. The V192 movement is high-quality but nonetheless affordable, just like this diving watch. As the nickname suggests, this wristwatch is relatively large; standing at 45-mm across but just 14mm thick, for which, the watch doesn't appear particularly bulky.
