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Guild Home > Benrus > Benrus AT1

Benrus AT1 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerBenrus
Caliber ReferenceBenrus AT1
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)26.0 mm
Height / Thickness3.5 mm
Jewel Count17 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1945

Historical Reference & Restoration Notes

The Benrus AT1 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. If you own an original Benrus timepiece requiring movement overhaul, dial preservation, or conversion into a daily wristwatch, consult the restoration specialists at AntiqueWrist Studio.

Other Benrus Movements

Benrus AR1Benrus BB4Benrus BHBenrus BKBenrus CE13Benrus CE14Benrus CE3Benrus CE4
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