Oyster Perpetual 1500

Oyster Perpetual Date: the 34 mm date model, 2 mm smaller than the Datejust, with the same chronometerChronometerA watch or movement certified for timekeeping precision under a defined testing standard. The applicable certification depends on its maker and period; it is not the same as a chronograph. movementMovementThe working mechanism inside a watch or clock. (cal. 1565, then 1575 from the mid-1960s), Cyclops lens and 19 mm lugs. Classic version has a smooth bezelBezelThe frame surrounding the crystal at the front of a watch.; made in steel, Rolesor and yellow or rose gold. Early 1960s to late 1970s.