Family: NH
The NH37A is an automatic movement manufactured by Seiko Instruments Inc. It is an in-house caliber derived from the NH35A, modified to offer specialized functions. The movement belongs to the NH family and remains in production. Also designated NH37.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Display Type
Analog
QUICK FACTS
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseBASED ON
Seiko NH35ACALIBER FAMILY
NHALSO KNOWN AS
nh37

