Pilot Big Date FlybackPilot Big Date Flyback the sky is yours Presented in a 42. 5mm black ceramic case with an oversized crown Black corrugated dial Driven by the El Primero 3652 automatic high frequency caliber movement 60 hour power reserve THE SKY IS YOURS Reminiscent of early pil ots watches, the Zenith Pilot collection features retro elements with distinctly vintage styles that pay tribute to the brands long aeronautical traditions. From the early aviator models of