Service Manual for Caliber V800A Quartz Movement
Service manual for the SEIKO Caliber V800A quartz watch movement, providing comprehensive technical specifications and repair guidance. Movement dimensions are precisely detailed: 18.4mm outside diameter at the 6h–12h position, 15.3mm at the 3h–9h position, with a casing diameter of 17.8mm and height of 1.9mm. The movement employs a step motor with load-compensated driving pulse technology and delivers 2-hand time indication with 20-second hand intervals. It incorporates a 10-second quartz tester measuring gate. Zero jewels construction simplifies maintenance and repair procedures. Compatible with SEIKO, MAXELL, or MATSUSHITA SR616SW batteries (1.55V), delivering approximately 3 years of operating life. Monthly accuracy maintains ±20 seconds or better across the normal temperature range. This workshop manual includes detailed instructions for winding stem removal procedures and complete current consumption specifications (less than 0.7µA for the full movement assembly), making it essential reference documentation for service technicians working on this caliber.
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
- 1
- Size
- 47.1 KB
- Category
- Watchmaking