Hattori Seiko V803A Movement - Parts Catalog & Technical Guide
Complete parts catalog and technical guide for the Hattori Seiko V803A quartz watch movement. Contains specifications (3-hand dial, 18.4mm case diameter, 2.5mm height, step motor driving system), disassembly/reassembly procedures with 33 numbered illustrated parts views, complete parts list with reference numbers, lubrication specifications (Moebius A and SEIKO Watch Oil S6), battery information (SR621SW, SR215W types, 1.68V, 2-year life), circuit block structure diagram, and value checking procedures (coil block resistance 2.3-2.7kΩ, current consumption less than 1.2µA). Includes remarks on winding stem removal, train wheel setting lever positioning, and train wheel bridge assembly.
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Document Details
- Format
- Pages
- 3
- Size
- 146.4 KB
- Category
- Horlogerie