a pink gold triple calendar chronograph wristwatch, Leonidas 1950s

18k, nickel lever movement, 17 jewels, bi-metallic compensation balance, silvered dial, Arabic and disc numerals, outer date ring, apertures for day and month, engine-turned subsidiary dials for constant seconds, 30-minute and 12-hour registers, circular case with down-turned tapered lugs, case, dial and movement signed.