Seiko Cal. Y151A Service Guide
Service guide for Seiko Cal. Y151A quartz watch movement. Contains specifications including movement size (13.5 mm outside diameter, 13.0 mm casing diameter, 2.3 mm height), 3-hand time indication, step motor driving system with load compensation, train wheel setting device, electronic circuit reset switch, battery life indicator, and coil block resistance values. Includes hand installation height discrimination table with movement reference numbers, disassembly and reassembly instructions, and valve checking specifications. Battery specification: SEIKO SR4215SW or MAXELL SR4215SW (1.55V, approximately 2 years life). Zero jewels movement.
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Document Details
- Format
- Pages
- 1
- Size
- 53.8 KB
- Category
- Horlogerie