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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Recent Comments
Certina DS-8 Chronometer PN:C033.451.11.031.00
Henry Archer Akva & Zelos Aurora using this caliber
Supposedly, hand winding is bad for ETA 2892 and 2824 clone calibres, but I read…
à mon avis, elle date à peu près en 1965
Interesting, what model is that seiko? I couldn't find it
I take it, this is the analogue version of the NN50 which is the all…
The new launched (2025-01-22) Panzera Aquamarine M45 chronograph