Seiko 1E20A Quartz Movement Parts Catalogue
Parts catalogue for the Seiko 1E20A quartz watch movement. Includes technical specifications (8.5mm casing diameter, 2.6mm maximum height, 5 jewels, 32.768 Hz crystal oscillator, step motor with 2 poles, rotary step switch regulation), exploded views of components, and detailed parts list with reference numbers for train wheel bridge, center wheel & pinion, hour wheel, third and fourth wheels, minute wheel, clutch wheel, winding stem, setting lever, yoke, dial washer, circuit block, coil block, step rotor, insulators, battery connections, rotor stator, rotary step switch, jewels, screws, pins, tubes, and batteries (Maxell SR512SW and SEIKO SR512SW).
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Document Details
- Format
- Pages
- 4
- Size
- 115.5 KB
- Category
- Horlogerie