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.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Power Reserve
41h
Frequency
21,600 vph (3 Hz)
Display Type
Analog
COMPLICATIONS
DateDay
FEATURES
Hacking SecondsHand Winding
QUICK FACTS
FOR WATCH DEALERS
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