Features:
1. Rubber O-Ring watch gasket used to keep your watch water resistant.
2. Made of rubber material, flexible and wear-resistant, durable to use.
3. The crown o-ring is good accessory for watch repairing.
4. Suitable for watchmakers and watch repairing workers to use.
5. Having excellent workmanship and suitable for various of watches.
 
Specifications:
Item Type: Watch Crown O-Ring
Material: Rubber
Function: Watch Repairing Accessory
Contains 10 popular size (unit: mm) :
1.4x0.6x0.4
1.5x0.6x0.7
1.6x0.6x0.5
1.7x0.7x0.5
1.8x0.8x0.5
1.9x0.8x0.7
2.4x1.4x0.5
2.8x1.75x0.53
3.2x1.8x0.7
3.6x1.7x0.8 ( Each size including about 50pcs )

Package Included:
1 x Box of Waterproof Seal