This durable Rubber O-Ring watch gasket keeps your watch water resistant, making it a reliable accessory for watch repairing. Made of flexible, wear-resistant rubber material, it is suitable for various watches and is a must-have for watchmakers and repair workers. Its excellent workmanship ensures long-lasting use.

Special Japanese Watch Crown O-Ring Sizes:

Contains 20 popular size (unit: mm) :

• 2.4mm x 0.40mm
• 2.4mm x 0.60mm
• 2.4mm x 0.70mm
• 2.5mm x 0.50mm
• 2.5mm x 0.65mm
• 2.5mm x 0.70mm
• 2.6mm x 0.81mm
• 2.7mm x 0.65mm
• 2.7mm x 0.70mm
• 2.8mm x 0.70mm
• 2.9mm x 0.45mm
• 2.98mm x 0.56mm
• 3.0mm x 0.85mm
• 3.17mm x 0.50mm
• 3.2mm x 0.70mm
• 3.9mm x 0.40mm
• 4.0mm x 0.60mm
• 7.0mm x 0.80mm
• 7.0mm x 1.00mm

(Each size including 10pcs )