Seiko Quartz Cal. 7434A Parts Catalogue
Parts catalogue for the Seiko Quartz Cal. 7434A movement with lunar calendar function. Includes exploded diagrams showing all components, part numbering system, specifications (22.0 x 21.7 mm case diameter, 3.6 mm height), and list of all screws used. Features step motor driving system, trimmer condenser regulation, calendar and lunar calendar functions, electronic circuit reset switch, and battery life indicator. Technical guide section covers disassembly and reassembly procedures for the lunar calendar mechanism with lubrication specifications. Battery: SEIKO TR721SW (1.55V, approximately 3 years life). Jewels: 2.
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Document Details
- Format
- Pages
- 6
- Size
- 137.9 KB
- Category
- Horlogerie