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Certina 304 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerCertina
Caliber ReferenceCertina 304
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)23.69 mm
Height / Thickness4.95 mm
Jewel Count17 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1945

Historical & Mechanical Notes

The Certina 304 is a celebrated example of vintage precision engineering. Featuring 17 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers. For authentic restored timepieces and bespoke pocket-to-wrist conversions, visit AntiqueWrist Atelier.

Other Certina Movements

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