Seiko 1520B Fine Seiko - Technical Parts List
Technical parts list and service manual for Seiko 1520B Fine Seiko calibre watches (calibres 23J and 17J). This comprehensive parts catalog provides detailed part numbers and specifications for all movement components essential to repair, maintenance, and assembly work. Coverage includes barrel and train-wheel bridge, pallet cock, balance cock, complete barrel assembly with arbor and jewel settings, barrel arbor, wheels and pinions, escape wheel, balance staff, regulator assembly, setting lever, yoke, mainspring, end-pieces, Diafix jewels, and Diastock frame components, plus all associated screws and fasteners. Two-page reference with technical specifications: case dimensions 19.80 × 9.60 mm, height 3.50 mm, and frequency rating of 19,800 vibrations per hour. An essential workshop resource for watchmakers and technicians performing calibre servicing, repairs, or complete movement overhauls.
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Document Details
- Format
- Pages
- 2
- Size
- 162.1 KB
- Category
- Watchmaking