Seiko Cal. M726A Module Parts Catalogue and Technical Guide
Complete parts catalogue and technical service guide for the Seiko Cal. M726A module, essential for anyone servicing or repairing Seiko dive watches fitted with this movement. Provides a fully numbered parts breakdown with detailed disassembly and reassembly procedures, allowing technicians to correctly identify every component and perform maintenance work with confidence. Module specifications: 30.0 mm diameter, 6.48 mm height. Covers all key functional elements including the sensor fixing plate, pressure sensor unit, gaskets, and liquid crystal display featuring nematic FEM technology with 1/4 multiplex driving system. The display supports 12 or 24-hour time and calendar modes, alarm display, dedicated dive mode display, integrated dive table, and log data display for recording dive information. Battery specifications: compatible with SEIKO CR2025, Maxell CR2025, or Matsushita CR2025 cells (3.0V nominal, approximately 3-year service life under normal conditions). Monthly rate accuracy: less than 15 seconds at normal operating temperature range. Indispensable workshop manual for authorized dealers and independent repair technicians working with this module.
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Document Details
- Format
- Pages
- 12
- Size
- 320.2 KB
- Category
- Watchmaking