Eterna® Waterproof Crown CN-ETER14 Omega® 510 Genuine Rolex® clutch lever spring

Genuine Rolex® clutch lever spring screw (yoke spring screw)

fits Omega® 20 NN

60 mm (center) x 1

21 x 482 (19")

part number 1187 fits Omega® 710

Eterna® Waterproof Crown CN-ETER14 Omega® 510 Genuine Rolex® clutch lever springEterna Waterproof Crown CN ETER14 steel, short pipe, 5 dots, outside diameter of crown 4. 00 mm, outside diameter of case tube 2. 00 mm, height of crown only 2. 75 mm, total height of crown 3. 25 mm, tap 0. 90 mm * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Eterna. Eterna warranty does not apply to parts supplied by Perrin Supply Ltd. Using generic crystals may devalue your watch.