Seiko Cal. 7L22A Parts Catalogue and Technical Guide
Complete technical data and parts catalogue for the Seiko Cal. 7L22A kinetic chronograph movement. This workshop manual provides detailed specifications essential for service and repair, including precise movement dimensions (Ø32.0 mm, Ø30.0 mm casing, 6.4 mm height), 8 jewels, step motor drive system, chronograph stopwatch function with 45-minute capacity measurable in 1/5 second increments, instantaneous date calendar, energy depletion warning indicator, and the proprietary automatic power generating system with Titanium lithium ion rechargeable battery (KINETIC E.S.U). Operating voltage range 0.45–2.5V with monthly rate accuracy within 15 seconds. An indispensable parts list and technical reference for watchmakers and repair technicians maintaining Seiko kinetic chronographs.
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Document Details
- Format
- Pages
- 12
- Size
- 2.1 MB
- Category
- Watchmaking