Rolex. A lot of two attractive 18K gold wristwatches with sweep centre seconds and black dials

Rolex. A lot of two attractive 18K gold wristwatches with sweep centre seconds and black dials
Signed Rolex, Oyster Perpetual, the first Date, Ref. 1503, case no. 3'075'252, the second Datejust, Ref. 6824/6827, case no. 4'058'467, circa 1972 and 1975
The first with cal. 1570 automatic movement, 26 jewels, the second with cal. 2030 automatic movement, 28 jewels, both with black dials, applied baton numerals, sweep centre seconds, date, tonneau-shaped water-resistant-type cases, screw back, the first with 18K gold Rolex buckle, the second with Rolex 18K gold bracelet, cases, dials and movements signed
35 mm. & 30 mm. diam. (2)