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.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Frequency
21,600 vph (3 Hz)
Diameter
25.6mm
Display Type
Analog
COMPLICATIONS
DayDate
More Seiko Instruments Inc. movements
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