Service Guide Cal. V81 Series - Seiko Watch Movement
Service guide for Seiko Cal. V81 and V810 watch movements. Includes specifications (outside diameter 615.5mm, casing diameter 15.1mm, height 3.0mm), time indication details (2 or 3 hands), step motor driving system with load compensated driving pulse type, electronic circuit reset switch, and monthly rate specification (less than 30 seconds at normal temperature range). Contains notes on replacing the movement, removing the winding stem, installing hands, and battery information (SEIKO TR275W, MAXELL SR275W, SONY SR275W, EVEREADY 319, 1.55V, 2-year battery life). Includes value checking procedures using SEIKO Digital Multi Taster S-840A. Current consumption specification provided (less than 1.4µA for whole movement).
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Document Details
- Format
- Pages
- 1
- Size
- 78.3 KB
- Category
- Horlogerie