SCXP181 Seiko x MewtwoModel: Seiko SCXP181 Year: November 2020 Features: The Watch. You wont be surprised to learn that all 1000 of these sold out almost instantly in Japan. Released in December 2020, the SCXP181 was always going to be a hit. Seiko produced two other Pokemon themed watches (Pikachu and Eevee). Limited Edition. Limited to 1000 pieces. The Details. Its full of lots of fun nods to the series, including Mewtwo and his hypnotic sunburst dial, Pokemon embossed