Rolex Serial Number: 1976: 5,000,000 – 5,085,000: 1976: 4,115,000 – 4,260,000: 1975: 3,865,000 – 4,115,000: 1974: 3,570,000 – 3,865,000: 1973: 3,200,000 – 3,570,000: 1972: 2,890,000 – 3,200,000: 1971: 2,590,000 – 2,890,000: 1970: 2,240,000 – 2,590,000: 1969: 1,945,000 – 2,240,000: 1968: 1,710,000 – 1,945,000: 1967: 1,485,000 .