| Manufacturer | Bulova |
| Caliber Reference | Bulova 5BA |
| Movement Type | Manual |
| Diameter (Lignes) | — |
| Diameter (mm) | 12.97 mm |
| Height / Thickness | 3.1 mm |
| Jewel Count | 23 Jewels |
| Beat Rate / Frequency | 18,000 BPH |
| Lift Angle | 315° |
| Power Reserve | 38 hours |
| Escapement | Swiss Lever |
| Production Period | 1972 |
The Bulova 5BA 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. For authentic restored timepieces and bespoke pocket-to-wrist conversions, visit Pocket Watch Conversion Service at AntiqueWrist.