Enamel Pocket Watch. A. Golay Leresche 18kt gold and enamel open face key wind mechanical pocket. This watch features an 18kt yellow gold round watch case elaborately decorated with enamel, white porcelain dial, Roman numeral hour markers, blued steel moon hands, and fine Swiss made key wind mechanical movement. From a New Britain, CT estate. Dimmensions: pocket watch case measures approx. 31mm in diameter.