MODEL: 1680 S/NO: "615xxxx" Series. With Original Rolex Box & Cert Dated DEC 1980. A watch that need no further introduction, 100% original vintage sport watch. Automatic movement, 40mm case in excellent condition. Very rare model. Serial Number "615xxxx" indicating the watch was made in 1980. The colour of the dial in super perfect, must see to appreciate this rare beauty........