CALIBER 4400 AS Reference: 4400 AS Energy: Manual-winding Thickness (mm): 2.80 Diameter (mm): 28.60  (12''' ½) Number of parts: 127 Number of jewels: 21 Frequency: 4  Hz ( 28,800   v.p.h ) Power-reserve (hours):  65 approx. Indication: minutes, hours, small seconds Certification: Hallmark of Geneva For sale with sale guarantee, original purchase receipt, complete package