Family: 4R41h power reserve21,600 vph (3 Hz)
The 4R36 is an automatic movement manufactured by Seiko Instruments Inc. It features a day-date display and operates at 21,600 bph with a power reserve of approximately 41 hours. The 12''' movement belongs to the 4R family and is produced in-house. This caliber appears frequently in Seiko 5 Sports models and remains in production.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Power Reserve
41h
Frequency
21,600 vph (3 Hz)
Display Type
Analog
COMPLICATIONS
DateDay
FEATURES
Hacking SecondsHand Winding
More Seiko Instruments Inc. movements
QUICK FACTS
FOR WATCH DEALERS
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