Description:
Material: Silicone
This is a set of multiple pieces new o-rings gaskets,the o-rings thickness 0.5mm, 0.6mm,0.7mm,0.8mm,0.9mm
Different sizes from 12 to 30 mm: 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 and so on to 40mm.
Rubber watch gasket set that is installed on the watch back case,can cover the gap between the watch band and movement
Play a role in watch waterproof,suitable for watch repair and DIY watchmaker.

Specification:
Small size specification:
Option 0.5mm
0.5mm thickness specification, 12mm --- 30mm, about 950 in a large bag. The number of each packet is about 30-50, a total of 19 packets

Option 0.6mm
0.6 mm thickness specification, 12mm --- 30mm, about 950 in a large bag. The number of each packet is about 30-50, a total of 19 packets

Option 0.7mm
0.7 mm thickness specification, 16mm --- 30mm, about 750 in a large bag. The number of each packet is about 30-50, a total of 15 packets

Large size specification:

Option 0.7mm(31-40)
0.7mm thickness specification, 31mm --- 40mm, about 500 in a large bag. The number of each packet is about 30-50, a total of 10 packets

Option 0.8mm(31-40)
0.8 mm thickness specification, 31mm --- 40mm, about 500 in a large bag. The number of each packet is about 30-50, a total of 10 packets

Option 0.9mm(31-40)
0.9 mm thickness specification, 31mm --- 40mm, about 500 in a large bag. The number of each packet is about 30-50, a total of 10 packets