Calvin Klein Eyeglasses. Series number: CK21500. Color code: 429. Shape: Square. Lens Width: 52 mm. Lens Bridge: 19 mm. Arm Length: 145 mm. Frame Material: Plastic. Frame Color: Crystal Teal. Lenses Type: Demo. Rim Style: Full-Rim. UPC/EAN code: 883901134322. Calvin Klein Demo Square Unisex Eyeglasses CK21500 429 52. Manufacturer’s Packaging Included. Packaging Size And Color May Vary.