IWC Big Pilot's Watch Perpetual Calendar Edition Rodeo Drive - 46.5 mm Ceramic Case - Blue Dial - Black Calfskin Strap - IW503001 Mm 4 mm 18K armor gold®

4 mm 18K armor gold® case

sand-blasted grade 5 titanium dial with orange Arabic numerals

At its core lies the 4131 manufacture Rolex perpetual movement

Heuer Autavia of 60s-70s can match almost Rolex Daytona in value

sapphire crystal with anti-reflective treatment on both sides

IWC Big Pilot's Watch Perpetual Calendar Edition Rodeo Drive - 46.5 mm Ceramic Case - Blue Dial - Black Calfskin Strap - IW503001 Mm 4 mm 18K armor gold®46. 5 mm ceramic case, 15. 9 mm thick, screw in crown, convex sapphire glass crystal with antireflective coating on both sides, blue dial with luminescence, calibre 52615 automatic movement with date, day, month, perpetual calendar, year indicator, hours, minutes, small seconds, moonphase, power reserve indicator, approximately 168 hours of power reserve, black calfskin strap. Water resistant to 6 bar.