SEIKO Prospex Sumo Scuba Gray 2020 Japan Limited SBDC097. The model nicknamed "SUMO" around the world has been renewed with a newly developed long power reserve movement. The moderately sized and authentic design is characterized by a design that can be used for a long period of time without getting tired of it. It can also be used as a sporty tough watch. In some regions such as Canada and Australia, additional charges for remote areas may be incurred.International Buyers - Please Note. We do not mark merchandise values below value or mark item as "gift" -US and international government regulations prohibit such behavior.