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Guild Home > Calibers > 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Historical Reference & Restoration Notes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 authentic restored timepieces and bespoke pocket-to-wrist conversions, visit custom watch lugs welding.

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