The reference 1675 was introduced in 1959 and, discontinued in 1980, it is one of the longest produced watches in Rolex's history. The direct successor to the 6542 the early iterations, such as with the present lot, demonstrate this transition and were produced without crown guards which in later models would be added. Another vintage element to this watch is the incredibly attractive leaf style hands and nipple indexes, both of which have aged taking on a beautiful brown patina. This effect works in perfect harmony with the brown dial and bezel insert, not to mention with the 18k yellow gold case.
Not only does this watch represent the transition between the old and the new GMT model but also the emerging use of tritium over radium. As such the dial is marked with an underline above 6 and below the SCOC text.