Rolex Datejust 1603

Rolex Datejust Reference 1603 The Reference 1603 represents Rolex's Datejust offering in 18k yellow gold within the 36mm case size format. This reference was produced during the 1960s and 1970s, positioning it as a precious metal variant within the broader Datejust collection during this manufacturing period. The watch features a 36mm case constructed from 18k yellow gold, fitted with a smooth bezel and acrylic crystal. Water resistance extends to 100 meters. The timepiece is powered by the automatic Caliber 1570 movement, which provides a 42-hour power reserve when fully wound. This reference appeals to collectors seeking a vintage Datejust execution in solid gold construction. The 1603 offers an entry point into yellow gold Datejust collecting from the 1960s-1970s production era, distinguished by its smooth bezel configuration and acrylic crystal typical of the period's specifications.