Credor “Mother of Pearl” GBBE972Model: Credor Mother of Pearl GBBE972 Year: 2013 Limited Edition: 30 Pieces Features: The Dial. Mother of pearl, with an etched guilloch subdial. As beautiful as it is a rare sight. Seikos use of MOP is conservative at best typically deployed as an accent through traditional techniques like Raden. By my count, there are fewer than a handful of examples of full MOP dials across its mens collections. The Method. Each shell used for a mother of pearl