Zenith - Pilot Montre D'Aeronef Type 20 Annual Calendar Watch 87.2430.4054/21.C721

48mm titanium case, 15.80mm thick, engraved  back with zenith aviation instruments, oscillating weight côtes de genève pattern, crown and horns, push-pieces, titanium bezel set with rose gold 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 gold-plated, satined, el primero 4054 automatic movement with hours and minutes in the center, small seconds hand at 9 o'clock, day/month indicator at 3 o'clock, date indication at 6 o'clock, 1-counter chronograph: central chronograph hand, 60-minute counter at 6 o'clock, approximately 50 hours of power reserve, brown alligator leather strap with protective rubber lining, titanium pin buckle. Water resistant to 10 atm.