Seiko Cal. 5Y91A Quartz Movement Parts Catalogue
Parts catalogue and technical guide for Seiko caliber 5Y91A quartz movement. Includes specifications, movement dimensions, components list with part numbers, disassembly and reassembly procedures, lubrication instructions, and value checking parameters. Features circuit block structure, step motor rotor, train wheel assemblies, and electronic components. Battery type: SR626SW. 3-hand movement with 1-second step hand motion.
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Document Details
- Format
- Pages
- 6
- Size
- 157.7 KB
- Category
- Horlogerie