Movement: Seiko Caliber 4R36 automatic (self-winding and hand-winding) with hacking secondsJewels: 24 jewelsFrequency: 21,600 vibrations per hour (6 beats per second)Power Reserve: Approximately 41 hoursComplications: Three hands with day and date displayCase Size: 42mm diameterWater Resistance: 200 meters (660 feet), suitable for air divingBezel: 120-click unidirectional rotating bezelCrystal: Hardlex mineral crystal