Seiko Caliber 9R86

Brand	Grand Seiko
Caliber Number	9R86
Movement Type	Spring Drive, Automatic
Jewels	50
Power Reserve	72 hours
Vibrations Per Hour	36,000 bph
Features	Date, power reserve indicator, small seconds, chronograph, 30 minute counter, 12 hour counter, GMT
Country of Manufacture	Japan
Known Models	SBGC005

The Seiko caliber 9R86 is a hi-beat automatic spring drive movement. It has 50 jewels and consists of 416 parts. This caliber is entirely made in Japan.

The movement pictured was found in the Grand Seiko Spring Drive model SBGC005.

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