The Zenith Pilot 29.2430.4069/63.I001 has a bronze case of 45mm, which is fitted with a titanium case back with the brand’s ‘Flying Instruments’ logo. This version has a khaki green dial and a ‘ Matrix’ calfskin strap. Inside is the El Primero 4069.The difference with 29.2430.4069/63.C814 is unknown at this point.
