Seiko Cal. 7T42A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko Cal. 7T42A quartz watch movement with timer function. Includes specifications, complete exploded diagrams with numbered components (piezoelectric element, case back, buttons, hands, wheels, coils, rotors, stem, circuit blocks), disassembly/reassembly procedures, lubrication specifications, and value checking data (coil resistance, current consumption, time accuracy). Contains detailed parts identification with part numbers and combination charts for different movement types (M and L).
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Document Details
- Format
- Pages
- 7
- Size
- 210.8 KB
- Category
- Horlogerie