5 Sports SBSA111 Made in Mechanical Automatic manual Field Date and Day 10 ATM Water Black Stainless Steel [Seiko Watch] Men's Watch, Japan, (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).