Rolex Oyster Perpetual 6509

ROLEX- AN OYSTER PERPETUAL STEEL AUTOMATIC WRISTWATCH, ref 6509, circa late 1950s, circular silver dial with applied golden hour markers, fluted bezel, fitted to steel bracelet end link stamped 366 7834 13, the signed folding clasp stamped 4 72, the signed cal.1160 automatic movement numbered 11559, 26 jewels, adjusted to 5positions and temperature, serial number 134491, case size 24mm.