Certina Cal. 17-221 Movement Parts List
Technical documentation for Certina Cal. 17-221 automatic watch movement. Page 1 presents five movement variants with specifications: Ancora 32 rubies, Pallet-fork 32 jewels with date aperture, Ancora 32 rubies with calendar window, Anker 32 rubies, and Ancora 32 rubies with side date window. All variants feature 21,600 Ah alternations per hour. Base calibers 15-20 and 15-21 are referenced. Page 2 shows exploded views of movement parts and components with part numbers, including main plates, wheels, escape wheels, and supplementary parts.
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Document Details
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- Pages
- 2
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- Category
- Horlogerie