
Seiko S120A S123A Parts Catalogue/Technical Guide
Seiko S120A and S123A stopwatch module parts catalogue and technical guide. Covers complete module specifications, dimensions, and Nematic Liquid Crystal display technology with 1/4 multiplex driving system. Details stopwatch functionality up to 10 hours with split and lap time recording, elapsed time tracking, and integrated time/calendar display. Includes battery specifications for SEIKO CR2032 and Maxell CR2032 cells (3.0V, approximately 5 years operational life). Features step-by-step disassembly and reassembly procedures with comprehensive parts diagrams and individual component identification for service and maintenance work.
Documentation must be downloaded on a computer (PC, Mac, or Linux).
Do not use a smartphone or tablet to download documentation; they generally lack sufficient memory capacity to handle large files, and few users know how to locate the download folder on these devices.
Once downloaded, you can use it right away and even print the pages you need, or use your smartphone in photo mode to translate into the language of your choice: Google Translate
Document Details
- Format
- Pages
- 9
- Size
- 412.0 KB
- Category
- Watchmaking