0.8/0.9/1.25/1.75mm Thick Waterproof I-ring Gasket for 8.5-40mm Watch Crystal
It is used on watch crystal to make the watch waterproof,for professional users!
you have to know the exact diameter and thickness of your watch crystal before buying.
Height 0.8mm fits for 0.8-1.5mm thick watch crystal
Height 0.9mm fits for 1.0-1.5mm thick watch crystal
Height 1.25mm fits for 1.5-2.0mm thick watch crystal
Height 1.75mm fits for 2.0-3.0mm thick watch crystal
INNER Diameter(mm):
8.5/9.5/10.5/11/11.5/12/12.5/13/13.5/14/14.5/15/15.5/16/16.5/17/17.5/18/18.5/19/19.5/20/20.5/21/21.5/22/22.5/23/23.5/24/24.5/
25/25.5/26/26.5/27/27.5/28/28.5/29/29.5/30/30.5/31/31.5/32/32.5/33/33.5/34/34.5/35/35.5/36/36.5/37/37.5/38/38.5/39/39.5/40 mm
Please note that this is inner diameter, NOT outside diameter
1 piece per order
Package included: 1 piece*Waterproof I-ring