ETA G15.211/21A Quartz Chronograph Technical Communication
Technical communication for the ETA G15.211/21A quartz chronograph movement, a 10.5 ligne caliber measuring 23.30 mm in diameter and 5.25 mm in height. Provides movement specifications, hand-fitting guidelines for hour, minute, second, and counter hands, electrical test procedures with battery requirements (SR 936 SW silver oxide cells, 1.55 V), power consumption data, and crystal frequency specifications (32,768 Hz). Covers the integrated date window and tri-counter chronograph configuration (30-minute, 60-second, and 1/10-second subdials). Note: movements of this caliber cannot be disassembled; this document contains information on electrical tests and hand-fitting only. Trilingual content in English, Spanish, and Italian.
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Document Details
- Format
- Pages
- 8
- Size
- 764.5 KB
- Category
- Watchmaking