Legendary Seiko automatic workhorse found in SKX divers and Seiko 5 models. No hacking seconds or hand-winding capability. Extremely reliable and durable. Replaced by 4R35/4R36 generation.
Movement Type
Automatic
Jewel Count
21 jewels
Power Reserve
41h
Frequency
21,600 vph (6 Hz)
Diameter
27.4mm
Height
4.9mm
Display Type
Analog
Rotor Type
central_rotor
Winding
automatic_bidirectional
Shock Protection
diashock
TYPE
AutomaticSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1996CALIBER FAMILY
7SCOUNTRY
japanALSO KNOWN AS
