Product Description Seiko Stopwatch Analog Hand-wound This is a 30-minute stopwatch made by Daini Seikosha (Kunohe). (Hand-wound analog) The long hand starts when the crown is pressed, and it completes one revolution in 60 seconds. The short hand's accumulator counts in one-minute increments, and can measure up to 30 minutes. To reset, press the crown in the following order: start → stop → reset. Visible scratches, please see the photos. Recommended for collectors.