Product introduction
Waterproof rubber ring is also called "O" ring, because it is round in most cases, in addition to square (rectangular) and special-shaped; Depending on the shape of the case, in one case, the waterproof rubber ring on the back cover of the rectangular watch is actually circular in the free state, but it has also been shaped. It is actually rectangular
Waterproof rubber ring is also called "O" ring, because it is round in most cases, in addition to square (rectangular) and special-shaped; Depending on the shape of the watch case, there is a case where the waterproof rubber ring on the back cover of the rectangular watch is actually circular in the free state, but there are also stereotypes. It is rectangular in its original appearance.
Dimension table
