Seiko 7018A Caliber Technical Data - Parts List and Component Identification
Technical parts list and component reference for the Seiko 7018A caliber, a 23-jewel automatic chronograph movement. This workshop manual provides comprehensive parts identification with full part numbers and material specifications, including detailed component tables and exploded assembly diagrams covering the barrel, gear train (wheels and pinions), escape wheel, and chronograph wheel section. Technical specifications detail the movement's dimensions (27.00 mm diameter, 5.90 mm height) and beat rate (21,600 vibrations per hour), along with variations for winding stem options, date dial configurations, and holding ring assemblies. Essential reference for technicians performing overhaul, repair, or restoration work on Seiko 7018A movements.
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Document Details
- Format
- Pages
- 2
- Size
- 129.8 KB
- Category
- Watchmaking