Archive for Sep 12, 2024

32Articles
Seiko Caliber 4M21

Watch News10 months ago

Manufacturer Seiko Caliber Number 4M21, 4M21A Movement Type Kinetic (AGS), quartz Lignes 11.5”’ Diameter 25.6mm Height 2.7mm Jewel Count 9 Frequency 32,768 Hz Accuracy Rating +/- 15 seconds/month Capacitor 30274MZ,

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