Time Module Inc. NH71

The NH71 is an automatic movement manufactured by Time Module Inc. in Japan. It measures 27.4 mm in diameter and 5.32 mm thick, operating at 21,600 vibrations per hour with a 41-hour power reserve and 24 jewels. The movement features hand-winding capability, a ball-bearing rotor, and Incabloc shock protection. It belongs to the NH7 caliber family, which includes the NH70A and NH72A variants.