Family: 9R50 jewels72h power reserve21,600 vph (6 Hz)
Spring Drive 3-day chronograph GMT. ±15 sec/month (±1 sec/day). 72-hour power reserve even during chronograph operation. Dual time, chronograph. 50 jewels.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
50 jewels
Power Reserve
72h
Frequency
21,600 vph (6 Hz)
Display Type
Analog
Winding
Automatic (Bidirectional)
COMPLICATIONS
ChronographGMT
FEATURES
Sweep Seconds
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2007BASED ON
Seiko 9R65CALIBER FAMILY
9RCOUNTRY
JapanALSO KNOWN AS
cal. 9r86grand seiko 9r86spring drive 9r86