Seiko Men's SNE237 Functional Solar Extension Japanese Quartz Watch Solar quartz movement Leather band with orange stitching Day and date functions Hardlex crystal Water resistant to 30 meters / 100 feet): Suitable for snorkeling and swimming Solar quartz movement Leather band with orange stitching Day and date functions Hardlex crystal Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving