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Guild Home > Calibers > Gruen > Gruen 224

Gruen 224 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerGruen
Caliber ReferenceGruen 224
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)15.35 mm
Height / Thickness3.5 mm
Jewel Count15 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1955

Historical Reference & Restoration Notes

The Gruen 224 is a celebrated example of vintage precision engineering. Featuring 15 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers. For further technical reference on vintage watch movements, consult the NAWCC horological library.

Restoration enquiries:
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