This luxurious rectangle-shaped Coach frame is the perfect blend of modern glamour and vintage charm. Made of acetate, it has a high-quality design that is comfortable to wear and will suit a variety of different looks. The strong attention to detail put into this design is obvious from the stylish clean lines to the signature engraving along the temples. Coach 6089 Eyeglasses 5120 - Havana. Coach HC6089 Tortoise - Medium Tortoise Full-Rim for Women. These Rectangle shaped eyeglasses are great for Oval/Round shaped faces.