Material: Mineral Glass. At the WatchXchange, our love for watches drives everything we do. You need to use special glue to fix it (not included).
Mineral Glass Date Bubble Lens Cyclops Magnifier for Watch SQUARE, BULLET, ROUND
1x Watch Mineral Swiss Glass Date Lens Bubble Magnifier, Various Sizes & Shapes
1 x Watch Bubble Magnifier Magnify Mineral Crystal Glass Date Window Lens
Watch glass crystal face lens, 1mm thick, flat mineral glass, sizes Ø 10-50mm
DOMED FLAT BOTTOM Watch Glass Crystal face lens, SINGLE-DOME mineral glass