KH 242-300
Plastic KH (WRP) watch glasses of 4 mm. be set high with a glass collector. The glass clamps usually clamp under pressure in the rebate of the watch and therefore do not need to be glued in.
Now it is quite expensive to purchase this tool for setting a single glass. It is also possible to glue the glasses. Use model glue because it does not leave any yellow edges, even after a long time. Order a size smaller than you measure and then glue the glass in. Please note that the glass does not clamp the timepiece in the case because then you cannot glue in and you must use the glass remover. The KH glasses are used for old mechanical watches, often with date and central second hand. Many automatic watches that are not waterproof also have these glasses. The KH glasses are available in sizes from 11.0 mm to 37.8 mm. increasing by 2/10 mm each time.
If you order 3 watch glasses or more, you will receive a discount of 25%. Enter the discount code: 90011 and the rest will be done automatically. You can also combine your order with other watch glasses, spring bars and pendulum springs for clocks.