Manufacturer Seiko Caliber Number 5R66 Base Caliber 5R65 In-House? Yes Movement Type Spring Drive (automatic, self-winding mechanical/electronic hybrid) Watch Category...
Spring Drive
Brand Credor (Seiko Watch Corporation) Caliber Number 7R31, 7R31A In-House? Yes Movement Type Spring Drive, manual-wind Diameter Unconfirmed Height Unconfirmed...
Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9R31, 9R31A Movement Type Spring Drive, manual-wind In-House? Yes Jewels 30 Frequency...
Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9R65, 9R65A Movement Type Automatic, Spring Drive In-House? Yes Jewels 30 Frequency...
Manufacturer Seiko Caliber Number 5R65 In-House? Yes Movement Type Spring Drive (automatic, self-winding mechanical/electronic hybrid) Chronometer Spec? Yes Diameter 30mm...
Seiko caliber 9R86 found in the Grand Seiko Spring Drive model SBGC005. 50 jewels and consisting of 416 parts. Made in Japan.
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Bonjour de France. Voilà ma modeste contribution à ce site qui m'est fort utile. Merci…
Speidel uses it in their automatic watches as well
The Oris Pointer date currently does not have an in-house movement. They are currently powered…