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Bulova 6AK Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerBulova
Caliber ReferenceBulova 6AK
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)15.3 mm
Height / Thickness3.4 mm
Jewel Count21 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1945

Historical Reference & Restoration Notes

The Bulova 6AK is a celebrated example of vintage precision engineering. Featuring 21 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 Convert Pocket Watch into Wristwatch.

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