Caliber NumberNH35A (aka NH35) Movement TypeAutomatic Lignes 12”’ Diameter 27.40mm (outside) / 29.36mm (casing) Height 5.32mm Jewels24 Vibrations Per Hour 21,600 bph Lift Angle53 degrees Shock SystemDiashock 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) FunctionsHours, minutes, central seconds, date calendar Country of ManufactureJapan or Malaysia (see below)