Seiko caliber 9R86 found in the Grand Seiko Spring Drive model SBGC005. 50 jewels and consisting of 416 parts. Made in Japan.
Spring Drive
Manufacturer Seiko Caliber Number 5R65 In-House? Yes Movement Type Spring Drive (automatic, self-winding mechanical/electronic hybrid) Chronometer Spec? Yes Diameter 30mm...
Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9R65, 9R65A Movement Type Automatic, Spring Drive In-House? Yes Jewels 30 Frequency...
Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9R31, 9R31A Movement Type Spring Drive, manual-wind In-House? Yes Jewels 30 Frequency...
Brand Credor (Seiko Watch Corporation) Caliber Number 7R31, 7R31A In-House? Yes Movement Type Spring Drive, manual-wind Diameter Unconfirmed Height Unconfirmed...
Manufacturer Seiko Caliber Number 5R66 Base Caliber 5R65 In-House? Yes Movement Type Spring Drive (automatic, self-winding mechanical/electronic hybrid) Watch Category...
Recent Comments
Hello, if you read a couple of messages back I found an exploded diagram that…
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Me too.
You both are correct! Thank you so much for pointing out the mistake. Somehow that…
Thank you for sharing :)