Family: NH
The NH70A is an automatic movement manufactured by Seiko Instruments Inc. and part of the in-house NH caliber family. It is the open-heart variant, featuring an exposed balance wheel that allows visibility of the mechanical operation. The movement is currently in production.
Last updated 29 Apr 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Display Type
Analog
QUICK FACTS
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseCALIBER FAMILY
NHALSO KNOWN AS
nh70
FOR WATCH DEALERS
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