Longines® Dustproof Crown CN-LONG36 diameter 4.00 mm Omega® crowns (waterproof with center pusher) 07 x 215 (8 1/2")

07 x 215 (8 1/2")

Pendulum Disk 4 1/2" weighs 175 grams

Genuine Rolex® setting lever spring with screw

Fits Omega® case numbers: 1780514

This Bergeon Ergonomic Screwdriver Set is a set of 5 screwdrivers made by Bergeon

Longines® Dustproof Crown CN-LONG36 diameter 4.00 mm Omega® crowns (waterproof with center pusher) 07 x 215 (8 1/2")Longines Dustproof Crown CN LONG36 diameter 4. 00 mm steel, high square with wings and name logo, diameter 4. 00 mm, height of crown only 2. 30 mm, tap 0. 90 mm, total height of crown including pipe 3. 85 mm * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Longines. Longines warranty does not apply to parts supplied by Perrin Supply Ltd. Using generic crystals may devalue your watch.