Seiko NH34 Automatic Movement

Caliber Number NH34A Movement Type: Automatic Diameter:27.40mm (outside) / 29.36mm (casing) Height:5.32mm Jewels 24 Vibrations Per Hour 21,600 bph Lift Angle 53 degrees Shock System Diashock Power Reserve:41 hours Rotor Direction Bi-directional winding (Magic Lever) Hacking? Yes Hand-Windable? Yes Manual Winding Clockwise direction Hand Sizes 1.5mm / 1.0mm / .21mm Stem 351-200 / 351200 (tap 10) Functions Hours, minutes, central seconds, date calendar