Seiko Caliber 5R65Brand Seiko Caliber Number 5R65 Movement Type Automatic Jewels 30 Diameter 30mm Height 5.1mm Power Reserve 70+ hours Frequency 32,768...Automatic4
Seiko Caliber 9R86Seiko caliber 9R86 found in the Grand Seiko Spring Drive model SBGC005. 50 jewels and consisting of 416 parts. Made in Japan.Automatic2
