Seiko Lassale Cal. 9443A Parts Catalogue
Comprehensive parts catalogue and technical reference for the Seiko Lassale Cal. 9443A quartz watch movement. This workshop manual includes a detailed dial diagram, exploded component view, and a complete parts list with individual reference numbers for every component. The technical section covers the movement's core specifications: 32.768 Hz main oscillator, 40.960 Hz auxiliary oscillator, 2-pole step motor, and trimmer capacitor regulation system. You'll find detailed information on the day/date calendar instant-setting device and battery life indicator function, along with the specific combinations and variations used in center wheel, fourth wheel, and hour wheel assemblies (types a and b). The catalogue also documents all day star dial disk variations, date dial options, and the precise positioning of day corrector pins. Essential for anyone servicing, repairing, or sourcing parts for this movement.
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Document Details
- Format
- Pages
- 4
- Size
- 164.0 KB
- Category
- Watchmaking