Zenith - Pilot Montre D'Aeronef Type 20 Automatic Watch 03.1930.681/21.C723

40mm steel case, 11.80mm thick, engraved back with zenith aviation instruments, oscillating weight côtes de genève pattern, steel bezel, domed sapphire glass crystal with anti-reflection treatment on both sides, matte black dial with hour markers arabic numerals in superluminova sln c1 and hands faceted satined black ruthenium, elite 681 automatic movement with hours and minutes in the center, small seconds at 9 o'clock, approximately 50 hours of power reserve, brown calfskin strap with protective rubber lining, steel pin buckle. Water resistant to 10 atm.