NEF/EF pendulum mechanism, NEW, SEIKO, models to choose from in the menu: EF – 21.9mm, NEF – 8mm, NEF – 8mm (Slim), NEF – 11.4mm, NEF – 13.2mm, NEF – 15.4mm Sweep, NEF – 18mm.
New SEIKO pendulum mechanism, NEF and EF series. Several models are available; please select from the dropdown list above. The photos are part of the description; please review them before purchasing. Feel free to contact me with any questions or for additional photos.
Price per unit · New · Photos are representative
Origin
These parts may come from different suppliers and stocks depending on availability. Regardless of their origin, excellent quality is guaranteed; each item is carefully selected before being offered for sale.
References available
EF – 21.9mm · NEF – 8mm · NEF – 8mm (Slim) · NEF – 11.4mm · NEF – 13.2mm · NEF – 15.4mm Sweep · NEF – 18mm

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