Swatch Caliber Sistem51Manufacturer Swatch (ETA) Caliber Number Sistem51, Sistem 51 Base Caliber ETA C10.111, C10111 Vibrations Per Hour 21,600 bph 3Hz Power...Automatic 308
ETA Caliber C15.111Manufacturer ETA Caliber Number C15.111 Base Caliber Sistem 51 (ETA C10.111) Diameter 14 1/4”’ (33mm) Thickness 5.77mm Vibrations Per Hour...Automatic 3819
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