Manufacturer Seiko Caliber Number 1B21 Movement Type Solar radio signal (solar radio wave control), quartz Jewels 4 (needs confirmed) Frequency...
Seiko Solar
Manufacturer Seiko Caliber Number V175, V175A Movement Type Solar Powered (quartz) Diameter 27.6mm Casing Diameter 27mm Height 4.4mm Jewels 0...
Manufacturer Seiko Caliber Number V194, V194A Type Solar Powered (quartz) Jewels Unconfirmed (please add to the comments below) Frequency 32,768...
Manufacturer Seiko Caliber Number V192, V192A Type Solar Powered (quartz) Jewels Unconfirmed (please add to the comments below) Frequency 32,768...
