Cal. 6F24A Parts Catalogue and Technical Guide
Parts catalogue and technical service guide for the Seiko Cal. 6F24A quartz movement. This workshop manual provides comprehensive reference material for technicians servicing and maintaining this precision timepiece mechanism. Features 40 detailed exploded view diagrams identifying every component, along with complete movement specifications: 19.0–22.0mm outside diameter, Ø24.0mm case diameter, 3.2mm height, and standard 3-hand configuration. Battery data covers compatible silver-oxide cells (SEIKO SR920SW, Maxell SR920SW, SONY SR920SW, Matsushita SR920SW, EVEREADY 371) rated 1.55V with approximately 3 years service life. The guide documents the stop motor driving system with load-compensated pulse control, and covers all integrated functions including numerical date calendar, moon phase display, instant moon phase correction device, rapid calendar setting mechanism, and train wheel adjustment provision. Detailed lubrication schedules specify approved oils (Moebius A and SEIKO Watch Oil S-6) for proper maintenance. Step-by-step disassembly and reassembly procedures ensure correct handling and restoration. Precision specifications include 10-second measuring gate standard, no active regulation system, monthly rate tolerance of less than 15 seconds, and single jewel bearing. Published by Hattori Seiko Co., Ltd.
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
- 4
- Size
- 130.2 KB
- Category
- Watchmaking