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Seiko 1E20-3C20
Ligne: 7'''
The Seiko 1E20-3C20 watch movement incorporates a sweep seconds function, allowing for precise measurement of time. It features an adjustable stud holder mechanism, contributing to accurate timekeeping. Additionally, this movement operates automatically, eliminating the need for manual winding.
The Seiko 1E20-3C20 features the following functions:
- Adjustable Stud Holder
- Automatic Winding
- Sweep Seconds
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Mainspring Listing
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