Seiko Quartz Cal. 7431A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 7431A. Contains detailed parts list with numbered references, exploded views of movement components including fourth wheel, minute wheel, hour wheel, clutch wheel, winding stem, and dial assembly. Includes characteristics: 22.0 mm casing diameter, 32.768 Hz crystal oscillator frequency, step motor driving system, trimmer condenser regulation. Battery information references SEIKO TR721SW silver oxide battery. Technical specifications and remarks on wheel combinations and component variations provided.
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Document Details
- Format
- Pages
- 4
- Size
- 105.6 KB
- Category
- Horlogerie