black alligator leather strap by santoni with quick-change system
approximately 70 hours of power reserve
date display and small seconds at 12 o'clock
approximately 54 hours of power reserve
Calibre 3126 / 3840 Manufacture selfwinding movement with chronograph
IWC Portugieser Annual Calendar Watch - 44.2 mm Red Gold Case - Silver Dial - Black Alligator Strap - IW503504 heritage black alligator leather strap by44. 2 mm 18K red gold case, 15. 3 mm thick, sapphire back, sapphire crystal with arched edge, antireflective coating on both sides, silver plated dial, caliber 52850 pellaton automatic winding movement with power reserve display, annual calendar with displays for the date, day and month, small hacking seconds at 9 oclock, approximately 7 day of power reserve, black alligator leather strap. Water resistant to 3 bar.