The ZENITH PILOT Big Date Flyback Boutique Edition is crafted in a 42.5mm steel case with an oversized crown, paired with a blue corrugated dial featuring large luminescent Arabic numerals. Delivered with interchangeable blue cordura-effect rubber and brown calfskin leather straps. Powered by the El Primero 3652 automatic high-frequency chronograph calibre with big date and the flyback functions.