50h power reserve28,800 vph (4 Hz)
The Seiko 4S27 is an automatic caliber with an analog display, a power reserve of 50 hours and a frequency of 28,800 vph (4 Hz), made in Japan. Its complications are GMT and date. Its features include hand winding. It launched in 2003. It is discontinued.
Last updated 29 Apr 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Power Reserve
50h
Frequency
28,800 vph (4 Hz)
Display Type
Analog
Winding
Manual
Shock Protection
Diashock
COMPLICATIONS
GMTDate
FEATURES
Hand Winding
QUICK FACTS
FOR WATCH DEALERS
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