Family: NHBased on Seiko NH35A
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.
Last updated 29 Apr 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Display Type
Analog
QUICK FACTS
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseBASED ON
Seiko NH35ACALIBER FAMILY
NHALSO KNOWN AS
nh37
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