5 Sports SBSA197 Made in Japan Mechanical Automatic manual Date and Day Field Mid Black Stainless Steel [Seiko Watch] Men's/Unisex Watch, (with

Includes original packaging box and warranty. Mechanical automatic winding (with manual winding) Daily difference +45 seconds to -35 seconds Power reserve: Approximately 41 hours when fully wound. Includes a calendar function (date and day of the week).