14K Cultured Pearl Necklace & Earrings by Waltham Watch Co. This is an exquisite approx. 20” long hand-knotted vintage/antique pearl necklace from Hallmark Cultured Pearls, a division of the Waltham Watch Company. These pearls are beautiful and were well cared for. Light cream in color and in excellent condition. The set comes in it’s original box along with the Hallmark Cultured Pearls booklet which guarantees the these pearls are genuine cultured pearls.