Family: 7S21 jewels40h power reserve21,600 vph (3 Hz)
The 7S26 is an automatic movement manufactured by Seiko Instruments Inc. It operates at 21,600 bph with 21 jewels and delivers approximately 40 hours of power reserve. The caliber displays the day and date and serves as an entry-level movement, lacking manual winding and hacking seconds in its base configuration. Production has been discontinued.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
21 jewels
Power Reserve
40h
Frequency
21,600 vph (3 Hz)
Display Type
Analog
COMPLICATIONS
DateDay
More Seiko Instruments Inc. movements
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