First quality.
The sizes are indicated in 0.1 mm.
This glass is convenient too for the non waterproof watch, requiring a higher glass.
Strongly curved glass. This shape is of universal use and sells very easily.
Available sizes: Ø 120 - 140 all the 0.1 mm. Ø 142 - 400 all the 0.2 mm.
In ordering: specify the Ø.