Bulova Accutron Series 221 Technical Service Letters
Collection of three technical letters (No. 19, 20, 21) from November 1974 and February 1974 covering service procedures for Bulova Accutron Series 221 watches. Includes detailed instructions for replacing the power cell, removing and replacing the stem (Part #176), and replacing the crown. Features movement characteristics, setting instructions, regulation procedures, and power cell replacement procedures with technical diagrams and component identification. Also includes movement specifications for the tuning fork mechanism operating at 440 Hz and information on the Series 228 Accuquartz digital watch with LED display.
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Document Details
- Format
- Pages
- 11
- Size
- 6.8 MB
- Category
- Horlogerie