LICHIFIT Watch Back Cover Sealing Ring Waterproof Ring Gaskets 0.5/0.6/0.7/0.8mm Elastic Rubber O-Ring Black Watch Repair Accessories

Specifications:
Thickness (Optional): 0.5mm, 0.6mm, 0.7mm, 0.8mm
Size: 13-37mm(0.5mm Thickness), 20-40mm(0.6mm Thickness), 25-40mm(0.7mm Thickness), 28-38mm(0.8mm Thickness)

Package Includes:
1 Pack of 0.5mm Thickness Sealing Ring
or
1 Pack of 0.6mm Thickness Sealing Ring
or
1 Pack of 0.7mm Thickness Sealing Ring
or
1 Pack of 0.8mm Thickness Sealing Ring
or
4 Pack of Sealing Ring (include 4 different thickness of sealing ring)
Install the sealing ring between the watch and the back cover, fill the gap between the watch and the back cover, protect the internal parts of the watch from dust and water.
Made of high quality rubber material, durable and wear-resistant, long service life.
The sealing ring is elastic, easy and convenient to install and remove.
Nice replacement for broken or old one, make your watch work properly and water resistant.
Different size for choice to fit your watch: 13-37mm(0.5mm Thickness), 20-40mm(0.6mm Thickness), 25-40mm(0.7mm Thickness), 28-38mm(0.8mm Thickness), 4 pack of different size Sealing Ring