Seiko 7S26A, 7S36A Parts Catalogue & Technical Guide
Seiko 7S26A and 7S36A parts catalogue and technical guide for automatic watch movements. Features detailed specifications including movement size (Ø27.4mm casing, 4.9mm height), 21,600 vibrations per hour, 3-hand time indication, and key features: automatic winding, date calendar, day calendar, instant date and day setting devices. The 7S26A features 21 jewels while the 7S36A has 23 jewels. Includes complete parts list with official Seiko part numbers and detailed exploded diagrams of movement assemblies. Covers lubrication requirements using Moebius A and Seiko Watch Oil grades S-4 and S-6 with specific application symbols for each component type. An essential technical reference for movement identification and parts sourcing.
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Document Details
- Format
- Pages
- 6
- Size
- 180.6 KB
- Category
- Watchmaking