A stainless steel automatic aviator's navigation wristwatch, Longines, limited edition no. 1756/3000 circa 2000

nickel lever movement, 21 jewels, mono-metallic balance, white dial with Arabic numerals, outer revolving ring for second time-zone, inner revolving silvered ring calibrated for 60 minutes, 12 and 24 hours, circular case with glazed display back, case, dial and movement signed.