Rolex. A stainless steel centre seconds calendar bracelet watch
Datejust, 1973
26-jewel Cal:1570 automatic movement, white dial with black Roman numerals, 5 minute divisions, sweep centre seconds, magnified date aperture, brushed and polished case with milled bezel, screw down Oyster crown and screw on back, fitted Oyster bracelet with folding clasp, case, dial and movement signed 34mm.