The 6R20 features power reserve indicator and pointer-style day/date subdials. Based on 6R15 with 4Hz beat rate, ETACHRON regulator, and Spron 510 mainspring. 208 total components with 29 jewels. Used in Seiko Premier models.
Movement Type
Automatic
Jewel Count
29 jewels
Power Reserve
45h
Frequency
28,800 vph (8 Hz)
Diameter
27.4mm
Height
6.15mm
Display Type
Analog
Rotor Type
bidirectional
Winding
Magic Lever
Shock Protection
Diashock
BRAND
SeikoTYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2007CALIBER FAMILY
6RCOUNTRY
JapanALSO KNOWN AS
