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Guild Home > E. Howard & Co. > Howard 12 Size Series 7

E. Howard & Co. Howard 12 Size Series 7 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerE. Howard & Co.
Caliber ReferenceHoward 12 Size Series 7
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)41.15 mm
Height / Thickness4.65 mm
Jewel Count17 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1912

Historical Reference & Restoration Notes

The E. Howard & Co. Howard 12 Size Series 7 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 further technical reference on vintage watch movements, consult the Antiquorum historical auction records.

Restoration enquiries: antiquewrist.com

Other E. Howard & Co. Movements

Howard 12 Size Series 6Howard 12 Size Series 8
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