The case features integrated-style lugs paired with a matching stainless steel link bracelet secured by a three-fold push-button release clasp. Known throughout the horological world as an absolute workhorse, this 21-jewel self-winding caliber operates at 21,600 vibrations per hour (3 Hz) and utilizes Seiko’s efficient “Magic Lever” system to build up a ~40-hour power reserve through natural wrist motion.
