Mineral Bubble Magnifier Lens for Date Window Watch Crystals Excellent if struggling to see date due to our old age.These need to be glued on, GS hypo glue (not included) is ideal Two Shapes available:
Round shaped diameters3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm.
Retangular Shape Size:4.5mm x 3.5mm, 5.5mm x 4.5mm, 7mm x 5.5mm
