Bulova 12 EBA Series Self-Winding Watch Movement Technical Data
Technical data bulletin for Bulova 12 EBA series self-winding watch movements, covering variants 12 EBA, 12 EBAD, 12 ECAD, 12 EBAC, 12 EBACD, and 12 ECAD. Includes movement specifications with diameter of plate (28.10 mm), total movement heights for each variant (2.85-3.60 mm), balance specifications (Beryllium balance, 19,800 bph), and lever escapement details. Provides technical guidance on the self-winding mechanism with oscillating weight assembly, checking automatic gear engagement, dial removal procedures, mainspring handling, cleaning and lubricating escape and balance components, barrel maintenance, and dial side reassembly with oiling instructions. Contains detailed illustrated diagrams of movement components and sub-assemblies for reference.
Documentation must be downloaded on a computer (PC, Mac, or Linux).
Do not use a smartphone or tablet to download documentation; they generally lack sufficient memory capacity to handle large files, and few users know how to locate the download folder on these devices.
Once downloaded, you can use it right away and even print the pages you need, or use your smartphone in photo mode to translate into the language of your choice: Google Translate
Document Details
- Format
- Pages
- 6
- Size
- 5.9 MB
- Category
- Watchmaking