Seiko (SII) Caliber NH35A

Manufacturer Seiko Caliber Number NH35A (aka NH35) Movement Type Automatic Jewels 24 Vibrations Per Hour 21,600 bph Lift Angle 53 degrees Shock System Diashock Power Reserve 41 hours Winding Direction Bi-directional Hacking? Yes Hand-Windable? Yes Diameter 27.40mm (outside) / 29.36mm (casing) Height 5.32mm Functions Hours, minutes, central seconds, date calendar Country of Manufacture Japan/Malaysia Known Brands Seiko, Invicta, Vostok, Lum-Tec, Spinnaker, Minus-8 Layer (add more in the comments below) The Seiko/TMI/SII caliber NH35A is a hand-windable, hacking upgrade from the … Continue reading Seiko (SII) Caliber NH35A