Seiko Cal. 4S15A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko 4S15A automatic watch movement. Includes detailed specifications: 26.0 mm outside diameter, 25.6 mm casing diameter, 4.17 mm height, 28,800 vibrations per hour (8 beats per second), three hands display, 25 jewels. Features exploded diagrams with numbered components, lubrication instructions using various oils (Moebius V, Moebius A, SEIKO Watch Oils S-6, S-4, S-3), comprehensive parts lists including screws, jewels, tubes and pins, and technical remarks on disassembly/reassembly procedures. Contains hand installation height discrimination table with movement numerals. Additional mechanisms include automatic winding with auxiliary hand winding, date calendar, second setting device, micro-regulating device, and micro-positioning regulator pin.
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Document Details
- Format
- Pages
- 13
- Size
- 383.3 KB
- Category
- Horlogerie