![WEC Hi-Dome Round Plastic with Step (23.10 mm to 37.10 mm)](http://perrinwatchparts.com/cdn/shop/products/CR-WEC_2b41d021-711f-4820-9e43-a299fd7c4d2e_300x79.jpg?v=1684873697)
These round plastic crystals have a “wedge edge” to hold the watch dial in place. WEC crystals are also used for watches that require the extra height for hand clearance.
These round plastic crystals have a “wedge edge” to hold the watch dial in place. WEC crystals are also used for watches that require the extra height for hand clearance.