A stainless steel automatic triple calendar wristwatch with moon-phases, Rolex, Perpetual, ref.8171, circa 1950

nickel lever movement, Rolex Superbalance, two tone silvered dial, applied triangular dot and arabic numerals, outer scale calibrated for date in red, apertures for day, month and moon-phases, circular case with down turned lugs, case, dial and movement signed, with a stainless steel Rolex buckle.