1.5mm Edge Thick Double Domed Sapphire Watch Crystal 31mm-40mm Diameter Round Concave Glass for Watchmakers

1.5mm Edge Thick Double Domed Sapphire Watch Crystal 31mm-40mm Diameter Round Concave Glass for Watchmakers

If you have no idea about measuring and choosing the correct size for your watch, please be cautious to buy!Please use a digital caliper to measure your size

Please note that the middle height varies for each lot of production, if you have very strict request on the middle height( center height) or size tolerance, please be cautious to buy or contact us to ask.

Edge Thickness: 1.5mm ( there might be ±0.1mm difference)

Size: 31mm, 31.5mm, 32mm, 32.5mm, 33mm, 33.5mm, 34mm, 34.5mm, 35mm, 35.5mm, 36mm, 36.5mm...40mm (there might be ±0.05mm difference for diameter)

1 piece per order, please choose the size that you need.

Package included: 1 piece