Manufacturer Seiko Time Corp. Caliber Number 8J42 Type Quartz Jewels 5 / 7 Vibrations Per Hour 32,768Hz Accuracy +/- 10...
8J41
Manufacturer Seiko Time Corp. Caliber Number 8J41 Type Quartz Jewels 5 / 7 Vibrations Per Hour 32,768Hz Accuracy +/- 10...