Bulova 5AN Movement Specifications, Beat Rate & Dimensions

Technical Caliber Datasheet

Manufacturer	Bulova
Caliber Reference	Bulova 5AN
Movement Type	Manual
Diameter (Lignes)	—
Diameter (mm)	12.97 mm
Height / Thickness	3.2 mm
Jewel Count	23 Jewels
Beat Rate / Frequency	18,000 BPH
Lift Angle	315°
Power Reserve	38 hours
Escapement	Swiss Lever
Production Period	1966

Historical Reference & Restoration Notes

The Bulova 5AN is a celebrated example of vintage precision engineering. Featuring 23 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers.