Ref:5389BC, Movement No. 127832, Case No. 66977, Manufactured in 1972 36-jewel Cal. K 2121 self-winding movement adjusted to temperature, position and isochronism, 21K-rimmed rotor, blue sunburst dial, diamond-set numerals, aperture for date at III o'clock, circular case with diamond-set bezel, snap back, integral 18K white gold woven texture bracelet and clasp, case, dial, and movement signed 31mm