Seiko Quartz Cal. 1320A Technical Guide and Parts List
Technical guide for Seiko Quartz Cal. 1320A automatic electronic-handsetting quartz watch movement. Contains specifications, operating principles with pulse diagrams for normal and reverse driving, detailed disassembly and reassembly procedures with illustrated parts breakdown, lubrication guidelines, and comprehensive checking and adjustment procedures. Includes parts list with 30 part numbers and characteristics of five different center wheel and hour wheel combinations. Battery: silver peroxide SEIKO TR621SW or SB-DG, 3-year life at 1.55V. Movement diameter 17.1mm, height 2.8mm without battery, 32.768 Hz oscillator frequency, step motor system.
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Document Details
- Format
- Pages
- 14
- Size
- 628.4 KB
- Category
- Horlogerie