The Seiko 4N00-0583 watch movement is a 28.00 mm movement with a height of 4.40mm. It features a second time zone function, a big date display, and a small seconds sub-dial. It has a battery life of 54 months. The movement is Swiss-made and consists of 7 jewels with a gilt finish. The second time zone is located at the 6 o'clock position, while the big date is positioned at the 12 o'clock position.