Seiko 4K22A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko 4K22A quartz movement with moon phase display. Includes detailed exploded views of movement components, parts numbering (items 1-40), disassembly and reassembly procedures, lubrication specifications, and technical notes. Features specifications for a 3-hand display with step motor driving system, moon phase display, instant moon phase setting device, train wheel setting device, and electronic circuit reset switch. Provides information on circuit block structure, battery specifications (SR621SW type, 1.55V, approximately 2-year life), and value checking parameters for coil block resistance and current consumption.
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Document Details
- Format
- Pages
- 7
- Size
- 186.8 KB
- Category
- Horlogerie