Seiko SNE399 Men's Core Black Leather Strap Band Black Dial Watch by Seiko Watches Display: Analog, Movement: Japanese Quartz, Crystal: Mineral. Case Material: Stainless steel, Band Color: Black, Band Type: Nylon, Dial Color: Black, Shape: Round. Powered by light energy, 10 month power reserve once fully charged, Day/Date calendar, LumiBrite hands and markers. Screwdown caseback, 100M water resistant, Caliber V158, Leather Band. Directional, exciting and diverse, the Seiko Collection makes and breaks the fashion rules. Scouring the globe for inspiration, our Design Team is inspired by fashions most covetable trends; providing you with a cutting edge wardrobe season upon season.