IWC Portugieser Annual Calendar Watch - 44.2 mm Red Gold Case - Silver Dial - Black Alligator Strap - IW503504 heritage satin-brushed blue openworked dial with

satin-brushed blue openworked dial with blue counters

date display and small seconds at 12 o'clock

self-winding Audemars Piguet Calibre 2121 movement with date

approximately 70 hours of power reserve

black alligator leather strap by santoni with quick-change system

IWC Portugieser Annual Calendar Watch - 44.2 mm Red Gold Case - Silver Dial - Black Alligator Strap - IW503504 heritage satin-brushed blue openworked dial with44. 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.