This is a winding stem (Part 401) compatible with AS (A. Schild) calibers 2061, 2066, 2161, and 2186. It is a genuine, high-quality replacement part ideal for watchmakers restoring or servicing vintage mechanical watches using these automatic movements.
Key Features:
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Part: 401 – Winding Stem
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Compatible with AS calibers 2061, 2066, 2161, 2186
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Precisely machined for accurate fit and function
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Suitable for automatic watch movements
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Ideal for repair and restoration projects
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High-quality steel construction
Applications:
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Replacing broken or worn-out winding stems
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Use in vintage AS-powered watches
Condition:
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Brand New, Unused Replacement Part