Service Manual for Seiko Caliber V544A Quartz Step Motor Movement
Service manual for the Seiko Caliber V544A quartz step motor movement. This workshop manual provides complete technical specifications for this compact three-hand caliber, including outside diameter Ø26.4 mm, casing diameter Ø25.6 mm, and height 3.57 mm. Covers after-sales servicing procedures, day-date disk and dial configuration, battery compatibility (SEIKO SR927SW, MAXELL SR927SW, SONY SR927SW, EVEREADY 395) with 1.55 V specification and approximately 3 years service life. Includes detailed operating procedures for the load-compensated step motor drive, current consumption testing parameters, and measurement procedures using the SEIKO Digital Multi Tester S-840A for electrical verification. An essential reference for authorized service centers and qualified technicians maintaining this movement.
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Document Details
- Format
- Pages
- 1
- Size
- 56.1 KB
- Category
- Watchmaking