Family: 4R21,600 vph (3 Hz)
The Seiko Instruments Inc. 4R46 is an automatic movement from the 4R family, featuring a day-date display with additional complications. It operates at 21,600 bph with a 12''' (approximately 25.6mm) diameter. As an in-house caliber, it represents Seiko's mid-range automatic offerings. The movement remains in production and is used in various Seiko mechanical watches.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Frequency
21,600 vph (3 Hz)
Diameter
25.6mm
Display Type
Analog
COMPLICATIONS
DayDate
QUICK FACTS
FOR WATCH DEALERS
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